Unable to render

see_h

win 10 64bit 

GPU:titan black

[WARNING] :: ..\..\..\..\..\src\pluginsource\DzIrayRender\dzneuraymgr.cpp(367): Iray [ERROR] - IRAY:RENDER ::   1.0   IRAY   rend error: Cannot render: found no usable devices. Please update your NVIDIA driver (www.nvidia.com) to at least 471.41, or enable CPU-only rendering.
2022-06-15 16:16:52.999 [ERROR] Iray :: Invalid parameters (NULL pointer).

I have updated the latest driver

prixat

Did you upgrade Studio recently?

Was it working before?

PerttiA

Support for Keppler cards was removed in DS 4.12.2.31.

http://docs.daz3d.com/doku.php/public/software/dazstudio/4/change_log_4_14_0_10