After Effects timeline glitch

[Roland R. kahlenberg]

The image and description you have provided do not provide sufficient clues to discern the issue/solution. Perhaps more than one image is required – a more complete screen cap of your timeline and include a screen cap of your comp.

Cheers
– Roland Kahlenberg

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[Eduardo Campero]

Sure, here is a more complete image, hope it helps. As you can see, the layer 965 and below, are not rendered on timeline, although they do appear in the composition.

https://postimg.org/image/lwlol6ab5/

Thnx!