parse error when uploading more then one photo

« MODx Parse Error »
MODx encountered the following error while attempting to parse the requested resource:
« PHP Parse Error »
 
PHP error debug
  Error: 	chmod() [function.chmod]: No such file or directory	 
  Error type/ Nr.: 	Warning - 2	 
  File: 	/var/www/vhosts/domain/httpdocs/assets/snippets/maxigallery/maxigallery.php	 
  Line: 	372	 
  Line 372 source: 	chmod($mg->path_to_gal.$name,0666); 	 
 
Parser timing
  MySQL: 	0.0012 s	(2 Requests)
  PHP: 	0.1550 s	 
  Total: 	0.1562 s