Project previously rendered fine but gets 'flood messages' with new version

So i have opened up a previous project which has been rendered extensively previously but under the new version I get the attached error message. Weirdly this is only with GPU, CPU doesn’t seem to have the same problem - any ideas?

Hi,

Can you share the project with us so we can investigate it on our end?
If that’s ok with you please use the Pack Project tool(Extensions > V-Ray > Pack Project) and send it to us by using the “Request” link below.

https://support.chaos.com/hc/en-us/requests/new

Hi @boundary ,

It would also help if you can specify the render engine you’re using (CPU / CUDA / RTX).
And as Slavcho already said - sharing the scene will help us a great deal.

Regards,
Konstantin