TYPO3 Core

When saving a TCA-based element an uncatched RuntimeException was thrown:

Fatal error: Uncaught exception 'RuntimeException' with message 'Could not create directory "###T3PATH###/typo3temp/Cache/Data/t3lib_l10n/"!' in ###T3PATH###/typo3/typo3_src-6.0.4-fixed/typo3/sysext/core/Classes/Cache/Backend/SimpleFileBackend.php on line 197

RuntimeException: Could not create directory "###T3PATH###/typo3temp/Cache/Data/t3lib_l10n/"! in ###T3PATH###/typo3/typo3_src-6.0.4-fixed/typo3/sysext/core/Classes/Utility/GeneralUtility.php on line 2669

Call Stack:
0.0003 324304 1. {main}() ###T3PATH###/typo3/typo3_src-6.0.4-fixed/typo3/alt_doc.php:0
0.4594 19799672 2. TYPO3\CMS\Backend\Controller\EditDocumentController->processData() ###T3PATH###/typo3/typo3_src-6.0.4-fixed/typo3/alt_doc.php:54
0.4851 22140816 3. TYPO3\CMS\Core\DataHandling\DataHandler->process_datamap() ###T3PATH###/typo3/typo3_src-6.0.4-fixed/typo3/sysext/backend/Classes/Controller/EditDocumentController.php:444
23.7144 37483440 4. TYPO3\CMS\Core\DataHandling\DataHandler->insertDB() ###T3PATH###/typo3/typo3_src-6.0.4-fixed/typo3/sysext/core/Classes/DataHandling/DataHandler.php:1054
23.7295 37495240 5. TYPO3\CMS\Core\DataHandling\DataHandler->clear_cache() ###T3PATH###/typo3/typo3_src-6.0.4-fixed/typo3/sysext/core/Classes/DataHandling/DataHandler.php:5646
24.5445 38056616 6. TYPO3\CMS\Core\DataHandling\DataHandler->clear_cacheCmd() ###T3PATH###/typo3/typo3_src-6.0.4-fixed/typo3/sysext/core/Classes/DataHandling/DataHandler.php:6678
24.6212 38057688 7. TYPO3\CMS\Core\Utility\GeneralUtility::callUserFunction() ###T3PATH###/typo3/typo3_src-6.0.4-fixed/typo3/sysext/core/Classes/DataHandling/DataHandler.php:6799
24.6213 38059416 8. call_user_func_array() ###T3PATH###/typo3/typo3_src-6.0.4-fixed/typo3/sysext/core/Classes/Utility/GeneralUtility.php:4022
24.6213 38059864 9. TYPO3\CMS\Lang\LanguageCacheClearer->clearCache() ###T3PATH###/typo3/typo3_src-6.0.4-fixed/typo3/sysext/core/Classes/Utility/GeneralUtility.php:4022
24.6236 38060064 10. TYPO3\CMS\Core\Cache\Frontend\AbstractFrontend->flush() ###T3PATH###/typo3/typo3_src-6.0.4-fixed/typo3/sysext/lang/Classes/LanguageCacheClearer.php:66
24.6236 38060064 11. TYPO3\CMS\Core\Cache\Backend\FileBackend->flush() ###T3PATH###/typo3/typo3_src-6.0.4-fixed/typo3/sysext/core/Classes/Cache/Frontend/AbstractFrontend.php:122
24.6244 38060008 12. TYPO3\CMS\Core\Cache\Backend\SimpleFileBackend->createFinalCacheDirectory() ###T3PATH###/typo3/typo3_src-6.0.4-fixed/typo3/sysext/core/Classes/Cache/Backend/FileBackend.php:292
24.6244 38060008 13. TYPO3\CMS\Core\Utility\GeneralUtility::mkdir_deep() ###T3PATH###/typo3/typo3_src-6.0.4-fixed/typo3/sysext/core/Classes/Cache/Backend/SimpleFileBackend.php:195
24.6247 38060176 14. TYPO3\CMS\Core\Utility\GeneralUtility::createDirectoryPath() ###T3PATH###/typo3/typo3_src-6.0.4-fixed/typo3/sysext/core/Classes/Utility/GeneralUtility.php:2639