« MODx Parse Error »

MODx encountered the following error while attempting to parse the requested resource:
« PHP Parse Error »
PHP error debug
  Error: Unknown(/home.10.23/vembloca/www/assets/plugins/txfunctions/txfunctions.inc.php): failed to open stream: No such file or directory 
  Error type/ Nr.: Warning - 2 
  File: /home/vembloca/www/manager/includes/document.parser.class.inc.php(682) : eval()'d code 
  Line: 20 
Parser timing
  MySQL: 0.0200 s s(6 Requests)
  PHP: 0.0123 s s 
  Total: 0.0323 s s