Fatal error: Uncaught Error: Undefined constant "PATH_typo3conf" in D:\web_IIS\oebsz-website\htdocs\typo3conf\AdditionalConfiguration.php:3 Stack trace: #0 D:\web_IIS\oebsz-website\typo3_src-11.5.21\typo3\sysext\core\Classes\Configuration\ConfigurationManager.php(360): require() #1 D:\web_IIS\oebsz-website\typo3_src-11.5.21\typo3\sysext\core\Classes\Core\Bootstrap.php(315): TYPO3\CMS\Core\Configuration\ConfigurationManager->exportConfiguration() #2 D:\web_IIS\oebsz-website\typo3_src-11.5.21\typo3\sysext\core\Classes\Core\Bootstrap.php(96): TYPO3\CMS\Core\Core\Bootstrap::populateLocalConfiguration() #3 D:\web_IIS\oebsz-website\typo3_src-11.5.21\index.php(20): TYPO3\CMS\Core\Core\Bootstrap::init() #4 D:\web_IIS\oebsz-website\typo3_src-11.5.21\index.php(21): {closure}() #5 {main} thrown in D:\web_IIS\oebsz-website\htdocs\typo3conf\AdditionalConfiguration.php on line 3