Please stop reporting problems in the General Discussion forum.
For quick support, please use the Support channel on our Discord server, which is linked on our Contact page.
For other kinds of questions, please report yourself using the “Report this user” link on your profile, select ‘Other’ as the reason, and describe your question in the text field.
For questions like this, it would help if you let us know which image you were trying to edit tags on, and what had been happening just prior to receiving the error.