Hi list When I open Extension tt_guest (or tt_news. tt_pool,...) in Extension Manager, TYPO3 give me an Error: Warning: Delimiter must not be alphanumeric or backslash in C:\apache\htdocs\testsite\typo3\mod\tools\em\index.php on line 2708 Couldn't find the include_once statement for XCLASS! What's wrong? - Jure (jure)