diff --git a/interface/lib/classes/tform_actions.inc.php b/interface/lib/classes/tform_actions.inc.php
index b181be01989cf2a90f3608a329c26cf15b54ccdf..4db3157e53da50e9bca54f0ab97fd76fac6254e3 100644
--- a/interface/lib/classes/tform_actions.inc.php
+++ b/interface/lib/classes/tform_actions.inc.php
@@ -313,7 +313,8 @@ class tform_actions {
 						$this->dataRecord = $app->tform->getDataRecord($this->id);
 						
 						$this->onBeforeDelete();
-
+						$app->plugin->raiseEvent($_SESSION['s']['module']['name'].':'.$app->tform->formDef['name'].':'.'on_before_delete',$this);
+						
                         // Saving record to datalog when db_history enabled
                         if($app->tform->formDef["db_history"] == 'yes') {
 							//$old_data_record = $app->tform->getDataRecord($this->id);
diff --git a/interface/lib/lang/de.lng b/interface/lib/lang/de.lng
index 46fcb846699f43421e30d4e9b91dc586c0a15973..0ccdb30c8ef511bf998cec2a86d8c23472b182e9 100644
--- a/interface/lib/lang/de.lng
+++ b/interface/lib/lang/de.lng
@@ -136,4 +136,5 @@ $wb['no_destination_perm'] = 'Sie haben keine Berechtigung für dieses Ziel.';
 $wb['client_you_are_locked'] = 'Sie haben keine Berechtigung, Einstellungen zu verändern.';
 $wb['gender_m_txt'] = 'Herr';
 $wb['gender_f_txt'] = 'Frau';
+$wb['client_cannot_be_deleted_because_of_billing_module_txt'] = 'Für den Kunden existieren Einträge im Billing-Modul, daher kann er nicht gelöscht werden.';
 ?>
\ No newline at end of file
diff --git a/interface/lib/lang/en.lng b/interface/lib/lang/en.lng
index 1d689f01040a726f4b5ac3c29e0db1e811712b3c..1ce525b0b39a7dda2b26871b6f519ec88e94b971 100644
--- a/interface/lib/lang/en.lng
+++ b/interface/lib/lang/en.lng
@@ -138,4 +138,5 @@ $wb["no_destination_perm"] = 'You have no permission for this destination.';
 $wb['client_you_are_locked'] = 'You have no permission to change any settings.';
 $wb['gender_m_txt'] = 'Mr.';
 $wb['gender_f_txt'] = 'Ms.';
+$wb['client_cannot_be_deleted_because_of_billing_module_txt'] = 'This client has records in the billing module, therefore he cannot be deleted.';
 ?>