Hi there, thanks for reaching out. There would be some reasons that you aren’t able to edit a specific file. Generally, permission case is a little bit complicated and needs more detailed information. You can troubleshoot by checking our help center article but you can also reach out to the support team with the file information that you want to access so you can receive necessary support to solve the issue. You can reach out to our support team from here: https://help.figma.com/hc/en-us/requests/new

Thanks,

Toku