Seems that macro is handled improperly...
Fixed by https://github.com/jenkinsci/ownership-plugin/commit/5de47d34a6fbd21203eee72abcf77e4af4a26b2b
Fixed by https://github.com/jenkinsci/ownership-plugin/commit/5de47d34a6fbd21203eee72abcf77e4af4a26b2b