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V-Ray renderer selection error in latest Blender build for Windows, add-on can not be enabled

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  • #1

    V-Ray renderer selection error in latest Blender build for Windows, add-on can not be enabled

    Hello,

    I have a windows 8 x64 machine and I am running the latest Blender nightly build available 03/14/2018 (e41bddb). Following installation when I am trying to enable the add-on I get the following error message:

    Code:
      File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 126, in PollBase
    poll_group = cls.poll_group(context)
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 345, in poll_group
    VRayExporter = context.scene.vray.Exporter
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 277, in poll
    return PollBase(cls, context)
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 126, in PollBase
    poll_group = cls.poll_group(context)
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 345, in poll_group
    VRayExporter = context.scene.vray.Exporter
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 277, in poll
    return PollBase(cls, context)
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 126, in PollBase
    poll_group = cls.poll_group(context)
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 345, in poll_group
    VRayExporter = context.scene.vray.Exporter
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 277, in poll
    return PollBase(cls, context)
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 123, in PollBase
    poll_custom = cls.poll_custom(context)
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\properties_render.py", line 335, in poll_custom
    VRayScene = context.scene.vray
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 277, in poll
    return PollBase(cls, context)
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 123, in PollBase
    poll_custom = cls.poll_custom(context)
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\properties_render.py", line 304, in poll_custom
    VRayPreferences = bpy.context.user_preferences.addons['vb30'].preferences
KeyError: 'bpy_prop_collection[key]: key "vb30" not found'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 277, in poll
    return PollBase(cls, context)
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 126, in PollBase
    poll_group = cls.poll_group(context)
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 345, in poll_group
    VRayExporter = context.scene.vray.Exporter
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 277, in poll
    return PollBase(cls, context)
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 126, in PollBase
    poll_group = cls.poll_group(context)
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\properties_render.py", line 57, in poll_group
    VRayExporter = context.scene.vray.Exporter
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\properties_render.py", line 67, in draw
    VRayScene = scene.vray
AttributeError: 'Scene' object has no attribute 'vray'

    Could someone give me some pointers, please?

    Thanks!
    Last edited by dubark; 15-03-2018, 06:30 AM. Reason: OS is Windows 8 x64 not 7
    Tags: None
  • #2
    Hey, dubark,

    Thank you for the feedback.Can you try to reproduce the issue with the latest build - https://nightlies.chaosgroup.com/main#/blender/20180316 ? Unfortunately, I am not able to reproduce the behavior on WIN 10 PC.

    If it possible to share information about the add-on/s which failed.
    Boyan Nalchadjiiski | QA Engineer @ Chaos |
    E-mail: boyan.nalchadjiiski@chaos.com

    Comment

    • #3
      Hi boyan,

      I had removed a Blender Foundation build from my computer before I installed the ChaosGroup build of Blender. So it is a clean copy, the first thing I try is to enable the V-Ray renderer add-on and that is when I receive the message. I tried a few other builds from previous weeks and got the same error.

      Could there be remains of the Blender Foundation version following the uninstallation conflicting with the ChaosGroup build? Do I need anything extra installed like python or everything is included in the ChaosGroup build?

      I will try the latest build today and report on it.

      Thanks,

      dubark
      Last edited by dubark; 16-03-2018, 03:54 AM.

      Comment

      • #4
        Show all messages from the beginning, there should be the reason printed.
        V-Ray For Houdini | V-Ray Hydra Delegate | VRayScene
        andrei.izrantcev@chaos.com
        Support Request

        Comment

        • #5
          bdancer, I think the extra information that you are looking for is on the error2.jpg screengrab in my next post.

          This is the error with today's build from the command prompt:

          Code:
            File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 126, in PollBase
    poll_group = cls.poll_group(context)
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 345, in poll_group
    VRayExporter = context.scene.vray.Exporter
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 277, in poll
    return PollBase(cls, context)
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 126, in PollBase
    poll_group = cls.poll_group(context)
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 345, in poll_group
    VRayExporter = context.scene.vray.Exporter
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 277, in poll
    return PollBase(cls, context)
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 126, in PollBase
    poll_group = cls.poll_group(context)
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 345, in poll_group
    VRayExporter = context.scene.vray.Exporter
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 277, in poll
    return PollBase(cls, context)
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 123, in PollBase
    poll_custom = cls.poll_custom(context)
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\properties_render.py", line 335, in poll_custom
    VRayScene = context.scene.vray
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 277, in poll
    return PollBase(cls, context)
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 123, in PollBase
    poll_custom = cls.poll_custom(context)
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\properties_render.py", line 304, in poll_custom
    VRayPreferences = bpy.context.user_preferences.addons['vb30'].preferences
KeyError: 'bpy_prop_collection[key]: key "vb30" not found'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 277, in poll
    return PollBase(cls, context)
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 126, in PollBase
    poll_group = cls.poll_group(context)
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 345, in poll_group
    VRayExporter = context.scene.vray.Exporter
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 277, in poll
    return PollBase(cls, context)
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\classes.py", line 126, in PollBase
    poll_group = cls.poll_group(context)
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\properties_render.py", line 57, in poll_group
    VRayExporter = context.scene.vray.Exporter
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\properties_render.py", line 67, in draw
    VRayScene = scene.vray
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\properties_render.py", line 248, in draw
    VRayScene = context.scene.vray
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\properties_render.py", line 308, in draw_header
    VRayExporter= context.scene.vray.Exporter
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\properties_render.py", line 313, in draw
    VRayExporter = context.scene.vray.Exporter
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\properties_render.py", line 340, in draw
    VRayScene = context.scene.vray
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\properties_render.py", line 105, in draw
    VRayScene = scene.vray
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\properties_render.py", line 170, in draw_header
    VRayExporter= context.scene.vray.Exporter
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\properties_render.py", line 180, in draw
    VRayScene      = scene.vray
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\properties_render.py", line 1380, in draw
    VRayScene = context.scene.vray
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\properties_render.py", line 680, in draw
    cm= context.scene.vray.SettingsColorMapping
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\properties_render.py", line 733, in draw
    VRayScene = context.scene.vray
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\properties_render.py", line 761, in draw
    VRayScene = context.scene.vray
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\properties_render.py", line 788, in draw
    VRayScene=  context.scene.vray
AttributeError: 'Scene' object has no attribute 'vray'
          Last edited by dubark; 17-03-2018, 03:12 AM.

          Comment

          • #6
            the end of the same message

            Code:
            location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\properties_render.py", line 876, in draw
    VRayScene=                  context.scene.vray
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\properties_render.py", line 958, in draw
    vs= context.scene.vray
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\properties_render.py", line 1098, in draw
    vsce= context.scene.vray
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\properties_render.py", line 1133, in draw
    vs= context.scene.vray
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\properties_render.py", line 1228, in draw
    VRayScene= context.scene.vray
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\properties_render.py", line 1264, in draw
    VRayScene = context.scene.vray
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\properties_render.py", line 1483, in draw_header
    VRayScene = context.scene.vray
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\ui\properties_render.py", line 405, in draw
    VRayScene= context.scene.vray
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
Traceback (most recent call last):
  File "C:\Program Files\Chaos Group\Blender 2.79 (With V-Ray Additions)\2.79\sc
ripts\addons\vb30\utils\utils_bake.py", line 216, in draw
    VRayScene = context.scene.vray
AttributeError: 'Scene' object has no attribute 'vray'

location: <unknown location>:-1

location: <unknown location>:-1
            end of entire message from console

            screen grab from blender


            Attached Files
            Last edited by dubark; 16-03-2018, 12:42 PM.

            Comment

            • #7
              This doesn't help, probably those messages are printed very rapidly and the exact reason is lost somewhere on top.
              Could you drop me an email?
              V-Ray For Houdini | V-Ray Hydra Delegate | VRayScene
              andrei.izrantcev@chaos.com
              Support Request

              Comment

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