AE: 1 composition in project goes black

Question

HiI have a main comp consisting of 5 comps (simple 2D animation with layers imported from Illustrator). One of these comps suddenly went black with the message: cached preview needs 2 or more frames to play back (yes, we know that one)......My system meets the requirements, the program is up-to-date, I have restarted the computer.I have emptied Disk Cache, "Reduce Cache size when system is low on memory" is NOT checked, my cache size is 33 GB.I can preview all the other comps in the same project, just not that one anymore (it worked few hours ago).When rendering it out, that comp is Black. When rendering through media encoder, it gives me an Error code: -1609629695.Of course, it's not critical. I have an auto-save, but I have to redo a bunch of things, and it would be nice to know, why AE suddenly behaves like this.

OussK · Accepted Answer

look like you have some layer cause this issue (you did't have any preview), my advise is to turn off all layers in this composition than start turn it on one by one to get what layer cause this issue after that you can check the corrupted layer and see what effect apply....

also try to stop the GPU accelerator got to file/project settings/video rendering and effects/use mercury software only.

std67424636 · Answer

And Media Encoder says this when trying to render:

Export Error
Error compiling movie.

Render Error

Render returned error.

Writing with exporter: H.264
Writing to file: (edited out)
Writing file type: H264
Around timecode: 00;00;28;01 - 00;00;28;09
Rendering at offset: 28,061 seconds
Component: H.264 of type Exporter
Selector: 9
Error code: -1609629695

The bugged composition starts in the main composition at 28 seconds to 46 seconds (total main comp time 56 seconds)

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