diff --git a/src/CoreFields/NormalizeField.php b/src/CoreFields/NormalizeField.php
index 141ee52..51a5791 100644
--- a/src/CoreFields/NormalizeField.php
+++ b/src/CoreFields/NormalizeField.php
@@ -42,7 +42,7 @@ class NormalizeField extends TextField {
 	static public function check_text($value, $separator='-')
 	{
 	
-		$str_normalize=slugify(strip_tags($value));
+		$str_normalize=PhangoApp\PhaUtils\Utils::slugify(strip_tags($value));
 		
 		$arr_normalize=explode($separator, $str_normalize);
 		
@@ -56,4 +56,4 @@ class NormalizeField extends TextField {
 
 }
 
-?>
\ No newline at end of file
+?>
diff --git a/src/CoreFields/PhangoField.php b/src/CoreFields/PhangoField.php
index 55eec17..9f1768b 100644
--- a/src/CoreFields/PhangoField.php
+++ b/src/CoreFields/PhangoField.php
@@ -193,6 +193,7 @@ class PhangoField {
 	
 	/**
 	* This method is used for simple checking, used for WhereSql.
+    * @warning DEPRECATED
 	*/
 	
 	public function simple_check($value)
diff --git a/src/Webmodel.php b/src/Webmodel.php
index 77ce554..d5e0856 100644
--- a/src/Webmodel.php
+++ b/src/Webmodel.php
@@ -2061,6 +2061,8 @@ class Webmodel {
 
                     $arr_std_error[]=I18n::lang('error_model', 'check_error_field_required', 'Error: Field required').' '.$key.' ';
         
+                    $this->components[$key]->error=1;
+        
                     if($this->components[$key]->std_error=='')
                     {