TYPO3 Core

There is next error occured:

Argument 2 passed to TYPO3\CMS\Backend\Form\Behavior\UpdateValueOnFieldChange::__construct() must be of the type string, int given, called in /var/www/html/public/typo3/sysext/backend/Classes/Controller/FormFlexAjaxController.php on line 133

Place:

$formData['parameterArray']['fieldChangeFunc']['TBE_EDITOR_fieldChanged'] = new UpdateValueOnFieldChange(
            $tableName,
            $formData['databaseRow']['uid'],
            $fieldName,
            $formData['parameterArray']['itemFormElName']
        );

Error reproduced when $formData['databaseRow']['uid'] has int type.