@@ -, +, @@ --- C4/AuthoritiesMarc.pm | 2 ++ 1 file changed, 2 insertions(+) --- a/C4/AuthoritiesMarc.pm +++ a/C4/AuthoritiesMarc.pm @@ -1414,6 +1414,8 @@ sub merge { my $auth_tag_to_report_from = $authtypefrom ? $authtypefrom->auth_tag_to_report : ''; my $auth_tag_to_report_to = $authtypeto ? $authtypeto->auth_tag_to_report : ''; + return 0 if !@authto; + my @record_to; @record_to = $MARCto->field($auth_tag_to_report_to)->subfields() if $auth_tag_to_report_to && $MARCto && $MARCto->field($auth_tag_to_report_to); # Exceptional: If MARCto and authtypeto exist but $auth_tag_to_report_to --