There is nothing custom about “my” plugin, it is the 5.1.1 plugin, but made backwards compatible with 5.1. Unless you go back to 5.1, it won’t help you, sorry.
But yeah, maybe a clean install of 5.1.1 can help. You could also try EXACTLY the same render in 5.1 and in 5.0 and see if it happens there. Just to see if its a specific 5.1.1 issue.
There’s nothing 
Are folks still getting the render black issues? I havent had any since 5.1 on six different shots/sets/UE scenes. Pano Renders fine aside from normal random issues that are not specifically pano render plugin problems.
your are the author! thanks very much. I had read this plugins，Here I have some suggestions.
I think need debug this fuction" virtual void RenderSample_GameThreadImpl(const FMoviePipelineRenderPassMetrics& InSampleState) override;". This function been
call 36 times in once render. Here may be 36 thread. Is It less thread will reduce memory cost?
I’m using 5.1.1 and having black panoramas. Didn’t find any fix yet
I have used 5.2 on four separate 360 projects, works fine now for me. I am still using older drivers from about a year ago FYI.