Index: core/kernel/utility/validator.php
===================================================================
--- core/kernel/utility/validator.php
+++ core/kernel/utility/validator.php
@@ -208,7 +208,7 @@
 		}
 
 		if ( !$res ) {
-			$this->SetError($field, 'bad_type', null, Array ($params['type']));
+			$this->SetError($field, 'bad_type', null, Array ('type' => $params['type']));
 
 			return false;
 		}
@@ -256,7 +256,10 @@
 			if ( !isset($min_val) ) $min_val = '-∞';
 			if ( !isset($max_val) ) $max_val = '∞';
 
-			$this->SetError($field, 'value_out_of_range', null, Array ($min_val, $max_val));
+			$this->SetError($field, 'value_out_of_range', null, array(
+				'min_value' => $min_val,
+				'max' => $max_val
+			));
 
 			return false;
 		}
@@ -271,7 +274,11 @@
 		}
 
 		if ( !$res ) {
-			$error_params = Array ((int)getArrayValue($params, 'min_len'), (int)getArrayValue($params, 'max_len'), mb_strlen($val));
+			$error_params = array(
+				'min_len' => (int)getArrayValue($params, 'min_len'),
+				'max_len' => (int)getArrayValue($params, 'max_len'),
+				'value' => mb_strlen($val)
+			);
 			$this->SetError($field, 'length_out_of_range', null, $error_params);
 
 			return false;
@@ -425,10 +432,25 @@
 		$msg = $this->Application->ReplaceLanguageTags($msg, $force_escape);
 
 		if ( isset($this->FieldErrors[$field]['params']) ) {
-			return vsprintf($msg, $this->FieldErrors[$field]['params']);
+			$params = $this->FieldErrors[$field]['params'];
 		}
+		else {
+			$params = array();
+		}
 
-		return $msg;
+		$field_phrase = $this->Application->isAdmin ? 'la_fld_' . $field : 'lu_fld_' . $field;
+		$params['field'] = $this->Application->Phrases->GetPhrase($field_phrase);
+
+		foreach ( $params as $param_name => $param_value ) {
+			$count = 0;
+			$msg = str_replace('{' . $param_name . '}', $param_value, $msg, $count);
+
+			if ( $count > 0 ) {
+				unset($params[$param_name]);
+			}
+		}
+
+		return vsprintf($msg, array_values($this->FieldErrors[$field]['params']));
 	}
 
 	/**
@@ -501,4 +523,4 @@
 	{
 		$this->FieldErrors = Array();
 	}
-}
\ No newline at end of file
+}