SOLUTION: It's a long read ... Hi Neil, More diagnostics. I managed to get a new 3060Ti. Installed, DDU prior drivers (complete wipe) to make sure they were gone, unplugged network cable to make sure Win10 didn't try to install drivers from internet. Installed the GPU, installed the new nVidia SD drivers, started Adobe, enabled GPU Accelerated, started the render and ... drum roll ... same exact problem. Switch to Software and no issues with render, just a lot slower even on an AMD 5950X. Not one to give up, I downloaded the latest CUDA 11.4.2 drivers from nVidia. Opened Pr, selected GPU Accelerated, Render In and Out made no difference still failed. So, I disable the track that has my Ae project import (simple logo Ae project). Try again, and viola, GPU render In/Out completes is just a few minutes. A clue! Sooo, now I bring up Ae and open the "offending" project, I save it of as a different name and then do an export to Adobe Media Encoder with queue item set to H.264 and Renderer set to GPU Acceleration CUDA. Media starts and then fails with the exact same error: - Encoding Time: 00:04:37 09/14/2021 11:36:03 AM : Encoding Failed ------------------------------------------------------------ Export Error Error compiling movie. Accelerated Renderer Error Unable to produce frame. Writing with exporter: H.264 Writing to file: \\?\D:\After Effects Projects\SimHorizonLogoNonRotating2021_AME\Sim Horizon Logo.mp4 Writing file type: H264 Around timecode: 00:04:48:17 - 00:04:48:26 Rendering at offset: 288.567 seconds Component: H.264 of type Exporter Selector: 9 Error code: -1609629695 ------------------------------------------------------------ So in Me, I select Software Only ... thinking this will work ... but it doesn't, same exact error but sooner?? ------------------------------------------------------------ - Encoding Time: 00:00:15 09/14/2021 11:43:31 AM : Encoding Failed ------------------------------------------------------------ Export Error Error compiling movie. Accelerated Renderer Error Unable to produce frame. Writing with exporter: H.264 Writing to file: \\?\D:\After Effects Projects\SimHorizonLogoNonRotating2021_AME\Sim Horizon Logo.mp4 Writing file type: H264 Around timecode: 00:00:00:11 - 00:00:00:13 Rendering at offset: 0.133 seconds Component: H.264 of type Exporter Selector: 9 Error code: -1609629695 ------------------------------------------------------------ Next I try Ae export to Me using Apple ProRes 422 LT with GPU Acceleration and same error, very early. ------------------------------------------------------------ - Encoding Time: 00:02:10 09/14/2021 11:51:17 AM : Encoding Failed ------------------------------------------------------------ Export Error Error compiling movie. Accelerated Renderer Error Unable to produce frame. Writing with exporter: Apple ProRes MXF OP1a Writing to file: D:\After Effects Projects\SimHorizonLogoNonRotating2021_AME\Sim Horizon Logo_1.mxf Around timecode: 00:00:00:01 - 00:00:00:06 Rendering at offset: 0.033 seconds Component: Apple ProRes MXF OP1a of type Exporter Selector: 17 Error code: -1609629695 ------------------------------------------------------------ So now I start looking at what specifically is in my Ae project that seems to be triggering this error. I disable a Transform Effect and BINGO, Ae project renders without any errors (GPU Accelerated or Software). So I render the Ae project to Apple Pro Res 4444 with RGB + Alpha. I add the Ae output to my Pr project (remove the Ae Import project). Do a full render in/out with GPU acceleration, all good ... VERY fast with GPU Acceleration (to be exact Software was 7 hours, GPU was 14 mins). So the FINAL test, Export the project to YouTube 4K UHD MP4 with GPU acceleration enabled ... again, super fast, video file created, no errors! Soooo ... this journey ends on a positive note, a solution! However, the actual reason for the error remains a mystery and I really would like an Engineer to look at this and report back on why this happened? Please see attached image for the FX that caused this nightmare ... if you or an engineer sees anything wrong with it, please report back. Also, please add my request to get MUCH better error reporting mechanism rather than -1609629695 ... not helpful at all, may as well have an error message that says "It Broke" ... just as useless 😉 Cheers, Rob.
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