Looking at the documentation in the wiki[1] I'm confused...

Short version of the steps:
1. Got to pagure.io and fork the project...

Umm... You can't fork a project from the Fedora instance of pagure (src.fedoraproject.org) from pagure.io...

Thanks,
Richard

[1] https://fedoraproject.org/wiki/How_to_fix_bugs_on_the_Fedora_Project_website#Filing_Pull_Requests