issue: log error if still using issue_pat_XXX configuration after it was removed in d24051ce961c Show a helpful: found unsupported issue_prefix_pr = 'PR' - use issue_sub_pr instead before bailing out with: skipping incomplete issue pattern 'issue_pat_pr': '(?:PR\\s*)(\\d+)' -> 'https://kallithea-scm.org/repos/kallithea/pull-request/{id}' None