Warning: require_once(config/tcpdf_config_alt.php): failed to open stream: No such file or directory in C:\Web\htdocs\recta\customers\mac\backend\libs\tcpdf\tcpdf_include.php on line 27

Fatal error: require_once(): Failed opening required 'config/tcpdf_config_alt.php' (include_path='C:\xampp\php\PEAR') in C:\Web\htdocs\recta\customers\mac\backend\libs\tcpdf\tcpdf_include.php on line 27