Warning: include(config.php): failed to open stream: No such file or directory in C:\xampp\htdocs\print_functions.php on line 196

Warning: include(): Failed opening 'config.php' for inclusion (include_path='C:\xampp\php\PEAR') in C:\xampp\htdocs\print_functions.php on line 196

Fatal error: Uncaught Error: Call to undefined function mysql_escape_string() in C:\xampp\htdocs\print_functions.php:197 Stack trace: #0 C:\xampp\htdocs\publications.php(21): printID('publications', '333') #1 C:\xampp\htdocs\index.php(40): include('C:\\xampp\\htdocs...') #2 {main} thrown in C:\xampp\htdocs\print_functions.php on line 197