Animation preview and render stop at certain point of timeline in After Effects and Media Encoder

Question

Hello! First time posting here but i have used After Effects for a while and never had this problem before.

When exporting a video from After Effects and Media Encoder on Windows 10, first of all while previewing the animation i noticed it stops at certain point of the timeline on after effects not showing anything on the composition panel but a previous image of what i had previewed before and when i try to export on the render queue or Media Encoder the progress bar stops by the same place as the preview stoped but it doesnt show any error or message, i can leave it for hours and nothing happens, and when i stop the queue Media Encoder stops working normally, it doesnt connect with After Effects and i have to reset the system for it to work again. Also in After Effects after trying to preview the file on that part that it stops even if i continue working on other part of the timeline, if i close the app then it crashes.

The file wasnt created by me so i am not sure what could be causing the problem, i have seen a previous version of the animation exported but i have to reexport to match some new specs update which im sure its not the problem. I see there is an effect called CC Scatterize on several layers of the comp, and that comp has the Turbulent distortion applied on several duplicates of it, I consider my computer to be powerfull enough to process that kind of file but maybe its too much to process or im doing something wrong.

Here is a screenshot of the timeline and the effects the layer has.

The Current time indicator is in the position when the prewiew stops

And here is a screen shot of the duplicated comp layers which i can perfectly preview

I have tried to export with the GPU and Software only options and any of it works.

Also tried to export the duplicated comp as a mov file so it renders the video instead of the comp but i had some issues matching the effects and stopped trying that solution for now.

Here is my system info:

Device: DESKTOP-50C4VJN
AMD Ryzen 9 3950X 16-Core Processor 4.20 GHz
RAM 16.0 GB
Operative System 64 bits, processor x64

Windows 10 Pro
Version 21H1

If anyone has an advice or a solution for this issue please let me know!

OussK · Accepted Answer

Most time when we face an issue with reading some specific frames it comes from some effect, especially if you use some extreme settings on that effect, for example, Motion Tile, so my suggestion is to try to hide layers and check if any layer causes the problem that dives in that layer and checks the effects you use to figure out the issue

Rick Gerard · Answer

Ram Preview time depends on available system resources, comp preview resolution, and frame size. By default, the Render Queue and the Adobe Media Encoder render from the start and endpoint of the Work Area. Unless you have modified the render settings your render for the second comp will stop at about 8 seconds and it won't start at frame 0.

If you cannot figure out a solution we need more information.

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