Once the 01702 error is resolved and the shader compiles successfully, optimize your settings to prevent future stability crashes:

Use ReShade 5.0 or newer. Older versions cannot correctly parse the modern preprocessor definitions used in RTGI 0.17.02.

RTGI 01702 release fix – available now

Open the ReShade overlay in-game (usually the Home or Pos1 key). Navigate to the tab at the top.

Follow these solutions in order to resolve the issue and force the RTGI shader to compile successfully. Fix 1: Update ReShade to the Latest Version