modeling in Revit 2023 and rendering it with a path tracer, which resulted in an unintended effect (a result that looks like it was smeared with water). PC specs are Dell Precision 7780 NVIDIA® RT...

[Nader1328]

Could it be that you are adding an FX to as a final refinement.

These are filters that you can access through “Ambience” link in the Scene.