Exception on opening sys_category and fe_group records
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albig commented
Opening sys_category or fe_groups records fails with an exception with TYPO3 10.4.
#1476107295 TYPO3\CMS\Core\Error\Exception
PHP Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/public/typo3/sysext/backend/Classes/Form/Element/GroupElement.php line 119
There is no issue with TYPO3 11.5.
In TYPO3 10.4 there must be give an internal_type. This is not necessary with TYPO3 11.5 anymore, as internal_type='db' the default.
Source:
- TYPO3 10.4: https://docs.typo3.org/m/typo3/reference-tca/10.4/en-us/ColumnsConfig/Type/Group.html#columns-group-properties-internal-type
- TYPO3 11.5: https://docs.typo3.org/m/typo3/reference-tca/11.5/en-us/ColumnsConfig/Type/Group/Properties/InternalType.html
Issue reported by @netzmacher