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FAILED TO OPEN FILE FOR OUTPUT: INVALID VIDEO SIZE
Posted: Mon Mar 09, 2026 6:47 pm
by eliscio
When rendering out using the animation plugin, often people are getting this error. I asked some folks to change their display resolution back to 1920x1080 but it seems this is not a fix for all although it did work for some people.
Re: FAILED TO OPEN FILE FOR OUTPUT: INVALID VIDEO SIZE
Posted: Thu Mar 12, 2026 2:22 am
by daniel
I've never seen this error, but I personally don't use this plugin often. Is it occurring with a particular format/codec maybe?
Re: FAILED TO OPEN FILE FOR OUTPUT: INVALID VIDEO SIZE
Posted: Thu May 21, 2026 2:59 pm
by asconstruction1967
Hi, were you able to find a fix for this? I am getting the exact same error message. Tried manually reducing the size of my window but nothing is working. Thanks
Re: FAILED TO OPEN FILE FOR OUTPUT: INVALID VIDEO SIZE
Posted: Fri Jul 31, 2026 12:38 pm
by I&R_Digital
hi, I would also like to bump this, we get same message.
- video cloud compare.jpg (209.53 KiB) Viewed 6649 times
Preview is working ok, Export frames is working also, but when you click Render, that message apperas
we tried with MOV and other video formats, same message.
frames can be exported and processed in third party software, but it would be much easier if Render work
Re: FAILED TO OPEN FILE FOR OUTPUT: INVALID VIDEO SIZE
Posted: Thu Aug 06, 2026 3:41 pm
by daniel
Does it work better if you try with a output path that has no space/blank character?