Notice: Use of undefined constant CLASS_DIR - assumed 'CLASS_DIR' in C:\xampp\apache\htdocs\b2b\templates\nac_new\plugins\function.darmowa_dostawa.php on line 4

Warning: require_once(CLASS_DIR/SpDostClass.php): failed to open stream: No such file or directory in C:\xampp\apache\htdocs\b2b\templates\nac_new\plugins\function.darmowa_dostawa.php on line 4

Fatal error: require_once(): Failed opening required 'CLASS_DIR/SpDostClass.php' (include_path='C:\xampp\php\PEAR') in C:\xampp\apache\htdocs\b2b\templates\nac_new\plugins\function.darmowa_dostawa.php on line 4