Stroke effect doesn't complete

Question

I am realitively new to After Effects. I have a rather large jpeg that I am using for a background image. It is a map. I want to create a line moving across the map using the stroke effect. The composition settings are: Width 7680px, height 2733px, frame rate 29.97, resolution Full, duration 35 sec. My system is Windows 10 Pro with an i7 processor and 64 GB of Ram.

When I run a preview, the preview stops at 26 sec point and then replays. It doesn't go to the end of the composition. The resulting file when I render it doesn't display any video. I am using H264 - match rendering setting 15 mbps.

However, I have created this type of project in the past, without any issues. It just seems since I upgraded that I am having this issue. I am sure it is a setting but I don't know where to look. Any help would be approciated.

Byron Cortez · Answer

You could try purging "All Memory & Disk Cache" from the Edit / Purge menu. That it reaches second 26 could be normal because that's how far the RAM has to go, but the strange thing is that it doesn't show any video after rendering.

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