« MODx Parse Error »

MODx encountered the following error while attempting to parse the requested resource:
« PHP Parse Error »
 
PHP error debug
  Error: Non-static method ditto::buildURL() should not be called statically, assuming $this from incompatible context 
  Error type/ Nr.: - 2048 
  File: /var/www/vhosts/freshpeaks.com/httpdocs/assets/snippets/ditto/extenders/tagging.extender.inc.php 
  Line: 271 
  Line 271 source: $url = ditto::buildURL("tags=$tag&start=0",$tagDocID);  
 
Parser timing
  MySQL: 0.0024 s(19 Requests)
  PHP: 0.8047 s 
  Total: 0.8071 s