3ds max 2021 or 2023 vray render error -98

[alpha_ubi]

engine is deprecated and will be removed in the future.
[00:23:28.889] Preparing renderer...
[00:23:29.802] Error : Could not obtain a license (-98 : -98: There are no available licenses of this type on the ChaosGroup License Server.
[00:23:29.823] Maximum memory usage for attributes: 0.00 MB
[00:23:30.590] Total sequence time: 1.8 s
[00:23:30.590] Error : 1 error(s), 1 warning(s)
[00:23:30.592] ==========

vray rendering error -98 . what is the problem , how to slove ?

[hermit.crab]

Is your license server running (vrol.exe in the task manager)?