Error while merging library branch

I encounter the following error when attempting to merge a branch into a library file.

Hi there!
Sorry to hear this is happening! Are you still seeing this error message?
If so, I’d recommend you to reach out directly to the support team with a copy of your file by filling this form: here
Our technical specialist can have a deeper look at it.

Be sure to use your Figma account email, include a link to the file, and share it with support-share@figma.com so they can take a closer look. Thank you!