Best practices for fixing placement eligibility errors when repurposing FB Ad Library videos?

I downloaded a video creative from the Facebook Ad Library, but when I try to re-upload it for a new campaign, I get an error stating that the video cannot be delivered to certain placements. How should I resolve this? Is there a more efficient workflow or tool to handle these placement compatibility issues?
You could try using a tool that automatically adjusts aspect ratios and formats for each placement this saves time and avoids manual re exports while keeping campaigns compliant.
 
This usually happens due to aspect ratio or format limits, so re-export the video in standard sizes (like 1:1 or 4:5) and let Meta auto-optimize placements instead of forcing all of them.
 
I've encountered similar issues with video uploads, and it's usually due to the aspect ratio or encoding not meeting the requirements for certain placements. Have you tried using a tool like CapCut or VEED to re-export the video in the correct formats for each placement, as they often have pre-set templates for Facebook and Instagram ads? This can save a lot of time and hassle in the long run, and it's also a good idea to keep a checklist of the required specs for each placement to avoid errors.
 
If you want to scale long-term, rebuild creative content, don't "rip and re-upload." Facebook detects this very quickly.
 
That video might be copyrighted, or the aspect ratio might not be suitable for your ad.
 
Use Facebook’s Creative Hub or re-export video with compliant specs (codec, aspect ratios, durations). Tools like FFmpeg or CapCut batch-process multiple sizes for all placements efficiently.
 
That error usually appears when the video format doesn’t meet the requirements of certain placements. Try exporting the video again with the correct aspect ratio and duration for the placements you’ve selected, or simply exclude the placements that aren’t compatible. Re-encoding the video using a standard editor often resolves the issue quickly.
 
That error happens because the video doesn’t meet specs for all placements.Re-export it in correct formats (MP4 H.264, 1080p)
 
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