Catchable fatal error: Argument 1 passed to t3lib_div::array_merge_recursive_overrule() must be an array, null given, called in /html/typo3conf/ext/dam/lib/class.tx_dam_config.php on line 194 and defined in /typo3_src-4.2.6/t3lib/class.t3lib_div.php on line 1833