« MODx Parse Error »

MODx encountered the following error while attempting to parse the requested resource:
« PHP Parse Error »
 
PHP error debug
  Error: include(/var/www/html/narayana-verlag.de/modx/modx_books/charge) [function.include]: failed to open stream: Success 
  Error type/ Nr.: Warning - 2 
  File: /var/www/html/narayana-verlag.de/includes/modx/snippet_livreHTMLEmbedder.php 
  Line: 16 
  Line 16 source: include($seite);  
 
Parser timing
  MySQL: 0.0114 s(160 Requests)
  PHP: 0.0511 s 
  Total: 0.0625 s