TYPO3 Exception 1478105826¶

Note

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.

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FlexForm location was not found, TYPO3 12.0¶

Data structure file "EXT:my_extension/Configuration/FlexForms/NotExisting.xml" could not be resolved to an existing file

When opening a plugin in the backend and the referenced FlexForm is missing.

Solution¶

Correct the path to the flexform in method ExtensionManagementUtility::addPiFlexFormValue(), which is usually called in EXT:my_extension/Configuration/TCA/Overrides/tt_content.php.

Using `$_EXTKEY` in configuration files in TYPO3 v9 and above¶

This error can happen when using the variable $_EXTKEY in a TCA definition like Configuration/TCA/Overrides/tt_content.php without defining it. In TYPO3 versions before 8 the variable was automatically defined.

Solution¶

Replace all occurences of $_EXTKEY with the extension's name or define the variable locally.

TYPO3 Exception 1478105826¶

FlexForm location was not found, TYPO3 12.0¶

Solution¶

Using $_EXTKEY in configuration files in TYPO3 v9 and above¶

Solution¶

Using `$_EXTKEY` in configuration files in TYPO3 v9 and above¶