Looking at the code, I don't know how to fix that at all. I think Quickform does the validation so we might need to somehow remove the default behavior.
added git:civicrm-core sig:bug triaged labels
Try this fix: https://github.com/civicrm/civicrm-core/pull/17765
@samuelsov can you review please?
@colemanw ok thanks, I will test it today
closed