TYPO3 Core

When entering faulty data for DB connection, you'll get a TYPO3 error message. After going back to step2, entering correct data now, you'll get a catchable error after sumitting:

#1: PHP Catchable Fatal Error: Argument 1 passed to TYPO3\CMS\Core\Configuration\ConfigurationManager::setLocalConfigurationValuesByPathValuePairs() must be an array, string given, called in (...)/blankpackage-6.0.0beta1/typo3_src-6.0.0beta1/typo3/sysext/dbal/Classes/Hooks/InstallToolHooks.php on line 159 and defined in (...)/blankpackage-6.0.0beta1/typo3_src-6.0.0beta1/typo3/sysext/core/Classes/Configuration/ConfigurationManager.php line 154