X-Git-Url: http://wagnertech.de/gitweb/gitweb.cgi/mfinanz.git/blobdiff_plain/0cdbb920e65e3d582ad025cc4d450e267b8474e7..5ceaf343f897027dff7edcde6315824b8dc64db7:/bin/mozilla/ir.pl

diff --git a/bin/mozilla/ir.pl b/bin/mozilla/ir.pl
index 63325ca02..e088def44 100644
--- a/bin/mozilla/ir.pl
+++ b/bin/mozilla/ir.pl
@@ -972,6 +972,10 @@ sub storno {
     $form->error($locale->text('Cannot storno storno invoice!'));
   }
 
+  if (IR->has_storno(\%myconfig, $form)) {
+    $form->error($locale->text("Invoice has already been storno'd!"));
+  }
+
   $form->{storno_id} = $form->{id};
   $form->{storno} = 1;
   $form->{id} = "";