Hi Peder! Check if your log contains something like: "Could not connect to MySQL server..." This would mean that your database connection cannot be (re-)astablished.
Kind regards Markus ------------------------------------------------------------ Markus Klein TYPO3 CMS Active Contributors Team Member > -----Original Message----- > From: typo3-english-boun...@lists.typo3.org [mailto:typo3-english- > boun...@lists.typo3.org] On Behalf Of Peder Høy Kristensen > Sent: Saturday, June 15, 2013 9:47 PM > To: typo3 engelsk mail liste > Subject: [TYPO3-english] error in DatabaseConnection.php > > I set up a new site ver 6.1.1. Everything worked quite well. But suddenly > something went wrong. The formular for Frontend End users is not any more > visible in frontend, and in the backend I get the following error message, > when I try to open Extension Manager: > > Fatal error: Call to a member function query() on a non-object in > .../typo3/sysext/core/Classes/Database/DatabaseConnection.php on line > 981 > > What does this error message mean, and what can I do about it? > > Venlig hilsen / Best Regards > Peder Høy Kristensen > _______________________________________________ TYPO3-english mailing list TYPO3-english@lists.typo3.org http://lists.typo3.org/cgi-bin/mailman/listinfo/typo3-english