TYPO3 Exception 1365429656

Note

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TYPO3 Fatal Error: Extension key "..." is NOT loaded!

TYPO3 >= 10 LTS

Starting with TYPO3 10 LTS the variable $_EXTKEY isn't filled with the extension key anymore. Solution: use the hardcoded extension key within ext_tables.php and ext_localconf.php.

See this page for further details: best-practices-for-ext-tables-php-and-ext-localconf-php

However, notice that $_EXTKEY must be used in ext_emconf.php.

TYPO3 < 10 LTS

This error might come up, if you delete the files of a Extension from the Extension Path (typo3conf/ext), which is still activated in TYPO3.

At first you should check, if there is a typo in the name of the extension key.

To solve this error, follow these steps:

(Info: These steps will remove the installed extensions from the "loaded Extension list" and TYPO3 cache.)

1) remove the Extension from the loaded extension part in typo3conf/LocalConfiguration.php - [['EXT']['extConf']['*your_extension_key*']]

2) remove either all files from typo3temp-folder, or at least the files in typo3temp/var/Cache/Code/cache_core named ext_tables.php and ext_localconf.php. In former versions of TYPO3 the folder name is typo3temp/var/Cache/Code/cache_core.

The error should be gone by now and the extension is removed. Reinstall the extension if needed.

Additionally, this error might come up if you re-structure your TCA files to fit into the new 6.2 structure. If you try to use $_EXTKEY in the Configuration/TCA/tablename.php files (for paths with extPath($_EXTKEY)), then $_EXTKEY will be empty and thus TYPO3 looks for the extension ' '. Solution is to replace $_EXTKEY by the extension key of the extension.

If you encounter this error during an upgrade to 6.2, you might check your LocalConfiguration.php for the right order of extensions in the deprecated extListArray. (e.g. EXT:formhandler has to be included before EXT:formhandler_subscription.)