Catchable fatal error: Argument 1 passed to In2code\Powermail\Controller\FormController::forwardIfFormParamsDoNotMatchForOptinConfirm() must be an instance of In2code\Powermail\Domain\Model\Mail, null given, called in /kunden/245402_70794/rp-hosting/10433/11433/typo3cms/peseschkian6217/typo3conf/ext/powermail/Classes/Controller/FormController.php on line 451 and defined in /kunden/245402_70794/rp-hosting/10433/11433/typo3cms/peseschkian6217/typo3conf/ext/powermail/Classes/Controller/FormController.php on line 539