Index: branches/RC/core/units/general/custom_fields.php
===================================================================
diff -u -N -r8929 -r10609
--- branches/RC/core/units/general/custom_fields.php	(.../custom_fields.php)	(revision 8929)
+++ branches/RC/core/units/general/custom_fields.php	(.../custom_fields.php)	(revision 10609)
@@ -9,14 +9,20 @@
 
 	function GetValuesHash($values_list)
 	{
-		$optionValuesStr = trim($this->ParseConfigSQL($values_list), ',');	
+		$optionValuesStr = trim($this->ParseConfigSQL($values_list), ',');
 		if (!$optionValuesStr) {
 			// no options, then return empty array
 			return Array();
 		}
-		
+
 		$optionValuesTmp = explode(',', $optionValuesStr);
 		$optionValues = Array();
+
+		if (substr_count($optionValuesStr, '=') != count($optionValuesTmp)) {
+			trigger_error('Invalid symbol in ValueList field [' . substr($optionValuesStr, 0, 100) . ' ...]' , E_USER_NOTICE);
+			return Array ();
+		}
+
 		foreach ($optionValuesTmp as $optionValue) {
 			list($key, $val) = explode('=', $optionValue);
 			$val = (substr($val,0,1) == '+') ? substr($val, 1) : $this->Application->Phrase($val);