Warning: require(/home/.sites/121/site1256/web/vendor/composer/../mpdf/mpdf/src/functions.php): Failed to open stream: No such file or directory in /home/.sites/121/site1256/web/vendor/composer/autoload_real.php on line 55

Fatal error: Uncaught Error: Failed opening required '/home/.sites/121/site1256/web/vendor/composer/../mpdf/mpdf/src/functions.php' (include_path='.:/usr/lib/php://share/php/php:/usr/share/pear:/usr/share/php') in /home/.sites/121/site1256/web/vendor/composer/autoload_real.php:55
Stack trace:
#0 /home/.sites/121/site1256/web/vendor/composer/autoload_real.php(38): composerRequire6a62abf4d24bc6688cb319eae43a5ebe('db356362850385d...', '/home/.sites/12...')
#1 /home/.sites/121/site1256/web/vendor/autoload.php(25): ComposerAutoloaderInit6a62abf4d24bc6688cb319eae43a5ebe::getLoader()
#2 /home/.sites/121/site1256/web/GXMainComponents/Application.inc.php(744): require_once('/home/.sites/12...')
#3 /home/.sites/121/site1256/web/GXMainComponents/Application.inc.php(121): Gambio\GX\Application->registerComposerAutoloader()
#4 /home/.sites/121/site1256/web/includes/application_top.php(15): Gambio\GX\Application->run()
#5 /home/.sites/121/site1256/web/product_info.php(31): require_once('/home/.sites/12...')
#6 {main}
  thrown in /home/.sites/121/site1256/web/vendor/composer/autoload_real.php on line 55