I have a volume that I had successfully rendered once. When I turn rendering on/off, I start receiving this exact error and get a solid white 3D rendering window.
This is on a i7 laptop with intel and nvidia GPU. I made the settings to use nvidia for the slicer-real.exe.
Warning: In D:\D\P\Slicer-481\Libs\MRML\Core\vtkObserverManager.cxx, line 131
vtkObserverManager (000001A79CC91C10): The same object is already observed with the same priority. The observation is kept as is.
framebuffer has an attachment error
framebuffer has an attachment error
framebuffer has an attachment error
framebuffer has an attachment error
after try to load the texture ERROR (x501) Invalid value
framebuffer has an attachment error
framebuffer has an attachment error
framebuffer has an attachment error
framebuffer has an attachment error