These two fields allow to specify a different default assignee for ticket opened against this package in bugzilla. Note: The EPEL field is always displayed for packages in the 'rpms' namespace regardless of whether it is used in bugzilla or not.
0a03e38
Try not specifying artifacts location It looks like the artifacts might not have been going to the correct place based on the reported errors. So try using the default value instead of the one from the examples.