This issue has been closed as 'Won't Fix' due to an extended period of time without updates. If this issue is important to you please let us know by posting on the AnswerHub or UDN, and Epic will re-open the ticket for further review.
Shader compile error in function PositionOnlyMain() in ShadowDepthVertexShader.usf if defined INTERPOLATE_POSITION.
Changed "OutputParameters.PixelPosition = WorldPos;" to "OutParameters.PixelPosition = WorldPos;", but still encountered error with following log.
Then add "OutParameters = (FShadowDepthVSToPS)0;" into top line of function PositionOnlyMain(), and there is no error with it.
Could you please review it and apply it to main branch?
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-22427 in the post.