TYPO3 Exception 1442236317

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TYPO3 13.4

Exception Message

(1/1) #1442236317 InvalidArgumentException

MenuItem "" is not valid
in /var/www/html/vendor/typo3/cms-backend/Classes/Template/Components/Menu/Menu.php line 92

Situation

This exception appears when creating a backend module with submodules and you have no title for submodule, i.e.:

wrong translation key/path in <ext>/Configuration/Backend/Modules.php for submodule title
translation key doesn't exists in translation file
language cache has not been cleared (clear all cache)

Solution

Check all submodules titles and clear all cache.

TYPO3 12.4.17 - 29.07.2024

caption: Exception Message

MenuItem "" is not valid

Situation

Right after an update from TYPO3 11 to 12. Forgot to clear the cache

Solution

Clear all caches from install tool or console

TYPO3 12.4.14 - 17.05.2024

caption: Exception Message

MenuItem "Liste" is not valid

Situation

Trying to add a menu Item to the menu in a custom backend module:

EXT:my_extension/Classes/Controller/MyModuleController.php

$menu = $moduleTemplate->getDocHeaderComponent()->getMenuRegistry()->makeMenu();

 $menuItem = $menu->makeMenuItem()
    ->setTitle($menuItemConfig['label'])
    ->setHref($this->uriBuilder->reset()->uriFor($menuItemConfig['action'], [], $menuItemConfig['controller']))
    ->setActive($isActive);
$menu->addMenuItem($menuItem);

This exception is thrown when the title or the href of the menuitem are empty. In this case the UriBuilder returned an emptry result, therefore the Href was empty.

One possible reason for Href being empty: the action is missing in Configuration/Backend/Modules.php -> 'ControllerActions'

Solution

Fix the href generation.