Mysteriously Cannot Delete Branch in Web UI

Strange behavior: I click delete on a branch in the web UI and the button changes for a second as if it was deleted, but then LO! it’s comes right back. I’m not double clicking and this has worked for me several times in the past during “housekeeping.” Is there any reason a branch (that isn’t locked by the way) could not be deleted?

TIA - Phil

Hi @philn5d-ar
you cannot delete a branch that is associated with an open pull request, but would have expected and error if this was the case