I added the extension comment to my wiki and created a page https://lilypond.miraheze.org/wiki/Comments
I cannot save a comment, what can I do?
Thanks for your help,
I seems it is a Mozilla Firexfox issue again, it is working with Chrome
I saw no error with either browser. Maybe try again?
I did some research and activated writeapi for all user groups. I guess this was the reason that it did not work, thank you for your support