« MODx Parse Error »

MODx encountered the following error while attempting to parse the requested resource:
« PHP Parse Error »
 
PHP error debug
  Error: strpos() [function.strpos]: Empty delimiter 
  Error type/ Nr.: Warning - 2 
  File: /home/plitka01/plitka-online.zp.ua/www/assets/snippets/ditto/classes/filter.class.inc.php 
  Line: 81 
  Line 81 source: if (strpos($value[$this->array_key], $this->filterValue)===FALSE)  
 
Parser timing
  MySQL: 0,0251 s(16 Requests)
  PHP: 0,0839 s 
  Total: 0,1090 s