TYPO3 Exception 1365429656¶
Below, the TYPO3 community may have provided additional information or solutions for this exception. However, these may or may not apply to your particular case. If you can provide more information, you should come back here and add your experience and solution steps to this issue once you have resolved it.
General TYPO3 troubleshooting tips can be found in the section "Troubleshooting" of the menu, and live support is available in the TYPO3 Slack channel #typo3-cms. (See How to get your TYPO3 Slack account.)
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
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
2) remove either all files from
typo3temp-folder, or at least the files
ext_localconf.php. In former versions of TYPO3 the folder name is
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
$_EXTKEY will be empty and thus TYPO3 looks for
the extension ' '. Solution is to replace
$_EXTKEY by the extension key of the
If you encounter this error during an upgrade to 6.2, you might check
LocalConfiguration.php for the right order of extensions in the
EXT:formhandler has to be included