« ClipperCMS Parse Error »

ClipperCMS encountered the following error while attempting to parse the requested resource:
« PHP Parse Error »
 
PHP error debug
  Error: array_key_exists(): The first argument should be either a string or an integer 
  Error type/ Nr.: 2 - E_WARNING 
  File: DocumentParser 
  Line: 1056 
 
Parser timing
  MySQL: 0.0088 s(4 Requests)
  PHP: 0.0058 s 
  Total: 0.0146 s