X-Git-Url: http://wagnertech.de/git?a=blobdiff_plain;ds=sidebyside;f=SL%2FAM.pm;h=70f56f92557650dd3704c42360c204625f139dab;hb=dfb76ebf04df9aed8ba63d7b51bc558d2928030e;hp=ab712c85231331c88e12277e633ab5c3dc619ae7;hpb=a064deaf7fb181680130a873efc5fb895fe7ba35;p=kivitendo-erp.git

diff --git a/SL/AM.pm b/SL/AM.pm
index ab712c852..70f56f925 100644
--- a/SL/AM.pm
+++ b/SL/AM.pm
@@ -1333,6 +1333,7 @@ sub retrieve_units {
   $main::lxdebug->enter_sub();
 
   my ($self, $myconfig, $form, $prefix) = @_;
+  $prefix ||= '';
 
   my $dbh = $form->get_standard_dbh;