diff --git a/interface/lib/classes/db_mysql.inc.php b/interface/lib/classes/db_mysql.inc.php
index 564b7b628d2731d71aadc8cb6a5e623fafc1767c..ccfaa63bd559a87966f2742fffbe8127295735a2 100644
--- a/interface/lib/classes/db_mysql.inc.php
+++ b/interface/lib/classes/db_mysql.inc.php
@@ -49,7 +49,7 @@ class db
 	private $errorNumber = 0;	// last error number
 	public $errorMessage = '';	// last error message
 	private $errorLocation = '';// last error location
-	private $show_error_messages = false;
+	public $show_error_messages = false;
 
 	public function __construct()
     {
@@ -252,7 +252,7 @@ class db
         foreach($columns as $col){
             $sql .= $col['name'].' '.$this->mapType($col['type'], $col['typeValue']).' ';
             //* Set default value
-            if($col['defaultValue'] != '') {
+            if(isset($col['defaultValue']) && $col['defaultValue'] != '') {
 			    if($col['defaultValue'] == 'NULL' or $col['defaultValue'] == 'NOT NULL') {
 				    $sql .= 'DEFAULT '.$col['defaultValue'].' ';
 			    } else {
@@ -261,19 +261,19 @@ class db
 		    } elseif($col['defaultValue'] != false) {
 			    $sql .= "DEFAULT '' ";
 		    }
-		    if($col['defaultValue'] != 'NULL' && $col['defaultValue'] != 'NOT NULL') {
+		    if(isset($col['defaultValue']) && $col['defaultValue'] != 'NULL' && $col['defaultValue'] != 'NOT NULL') {
                 if($col['notNull'] == true) {
                     $sql .= 'NOT NULL ';
                 } else {
                     $sql .= 'NULL ';
                 }
 		    }
-            if($col['autoInc'] == true){ $sql .= 'auto_increment '; }
+            if(isset($col['autoInc']) && $col['autoInc'] == true){ $sql .= 'auto_increment '; }
             $sql.= ',';
             //* Index Definitions
-            if($col['option'] == 'primary'){ $index .= 'PRIMARY KEY ('.$col['name'].'),'; }
-            if($col['option'] == 'index'){   $index .= 'INDEX ('.$col['name'].'),'; }
-            if($col['option'] == 'unique'){  $index .= 'UNIQUE ('.$col['name'].'),'; }
+            if(isset($col['option']) && $col['option'] == 'primary'){ $index .= 'PRIMARY KEY ('.$col['name'].'),'; }
+            if(isset($col['option']) && $col['option'] == 'index'){   $index .= 'INDEX ('.$col['name'].'),'; }
+            if(isset($col['option']) && $col['option'] == 'unique'){  $index .= 'UNIQUE ('.$col['name'].'),'; }
         }
        $sql .= $index;
        $sql = substr($sql,0,-1);
diff --git a/interface/lib/classes/listform.inc.php b/interface/lib/classes/listform.inc.php
index 27d1c8a977e6568fbec2b85caad8be837b254ce1..ce7b220f0bdfe073ec229a492f6e51068075e1d2 100644
--- a/interface/lib/classes/listform.inc.php
+++ b/interface/lib/classes/listform.inc.php
@@ -268,8 +268,8 @@ class listform {
         if(is_array($record)) {
             foreach($this->listDef['item'] as $field){
                 $key = $field['field'];
-                switch ($field['datatype']){
-
+				if(isset($record[$key])) {
+                	switch ($field['datatype']){
                     case 'VARCHAR':
                     case 'TEXT':
                         $record[$key] = stripslashes($record[$key]);
@@ -293,7 +293,8 @@ class listform {
 
                     default:
                         $record[$key] = stripslashes($record[$key]);
-                }	
+                	}
+				}
             }
         }
         return $record;
diff --git a/interface/lib/classes/tform.inc.php b/interface/lib/classes/tform.inc.php
index 92ef324cf9f8130d0885e20f9fa6ce644e5c5517..0cb58c7498a800f41e4debe32b701312a4bf1bb8 100644
--- a/interface/lib/classes/tform.inc.php
+++ b/interface/lib/classes/tform.inc.php
@@ -135,10 +135,16 @@ class tform {
                 $this->formDef = $form;
 
                 $this->module = $module;
+				$wb = array();
+				
                 if($module == '') {
+					if(is_file("lib/lang/".$_SESSION["s"]["language"]."_".$this->formDef["name"].".lng")) {
                         include_once("lib/lang/".$_SESSION["s"]["language"]."_".$this->formDef["name"].".lng");
+					}
                 } else {
+					if(is_file("../$module/lib/lang/".$_SESSION["s"]["language"]."_".$this->formDef["name"].".lng")) {
                         include_once("../$module/lib/lang/".$_SESSION["s"]["language"]."_".$this->formDef["name"].".lng");
+					}
                 }
                 $this->wordbook = $wb;
 
diff --git a/interface/lib/classes/tform_tpl_generator.inc.php b/interface/lib/classes/tform_tpl_generator.inc.php
index 7bc99444964cdda3fe6b3197763145bcc9b4fcc0..9311f14eab95c70b6bfe54ad3f87d11bee836d3e 100644
--- a/interface/lib/classes/tform_tpl_generator.inc.php
+++ b/interface/lib/classes/tform_tpl_generator.inc.php
@@ -112,7 +112,7 @@ class tform_tpl_generator {
 			$lang[$key."_txt"] = $key;
 			
 			// language File Eintrag, für error-Text anlegen
-			if($field["errmsg"] != '') {
+			if(isset($field["errmsg"]) && $field["errmsg"] != '') {
 				$errmsg = $field["errmsg"];
 				$lang[$errmsg] = $errmsg;
 			}
diff --git a/interface/web/admin/lib/lang/en_users.lng b/interface/web/admin/lib/lang/en_users.lng
index 2c4e56138656dd0b8240fe867568e220d467657d..175db60edba7cec24aaf0c592156b75e0c1f0901 100644
--- a/interface/web/admin/lib/lang/en_users.lng
+++ b/interface/web/admin/lib/lang/en_users.lng
@@ -21,4 +21,7 @@ $wb["telefon_txt"] = 'Telephone';
 $wb["fax_txt"] = 'Fax';
 $wb["groups_txt"] = 'Groups';
 $wb["default_group_txt"] = 'Default Group';
+$wb["active_txt"] = 'Active';
+$wb["btn_save_txt"] = 'Save';
+$wb["btn_cancel_txt"] = 'Cancel';
 ?>
\ No newline at end of file