Warning: Use of undefined constant TOOL_PATH - assumed 'TOOL_PATH' (this will throw an Error in a future version of PHP) in D:\Apache24\htdocs\tool\barcodegen\html\include\header.php on line 12

Warning: include_once(TOOL_PATHbarcodegen\class\function.php): failed to open stream: No such file or directory in D:\Apache24\htdocs\tool\barcodegen\html\include\header.php on line 12

Warning: include_once(): Failed opening 'TOOL_PATHbarcodegen\class\function.php' for inclusion (include_path='.;C:\php\pear') in D:\Apache24\htdocs\tool\barcodegen\html\include\header.php on line 12

Fatal error: Uncaught Error: Call to undefined function listBarcodes() in D:\Apache24\htdocs\tool\barcodegen\html\include\header.php:18 Stack trace: #0 D:\Apache24\htdocs\tool\barcodegen\html\BCGcode39.php(3): include() #1 {main} thrown in D:\Apache24\htdocs\tool\barcodegen\html\include\header.php on line 18