Fatal error: Uncaught exception 'BadFunctionCallException' with message 'TYPO3 Fatal Error: Extension key "lang" was NOT loaded!' in /home/plr/apps/typo3_src-4.7.19/t3lib/class.t3lib_extmgm.php:79 Stack trace: #0 /home/plr/apps/typo3_src-4.7.19/t3lib/config_default.php(1103): t3lib_extMgm::extPath('lang') #1 /home/plr/apps/typo3_src-4.7.19/typo3/sysext/cms/tslib/index_ts.php(83): require('/home/plr/apps/...') #2 /home/plr/apps/typo3_src-4.7.19/index.php(76): require('/home/plr/apps/...') #3 {main} thrown in /home/plr/apps/typo3_src-4.7.19/t3lib/class.t3lib_extmgm.php on line 79