Danke für den Hinweis, den Debug Modus hatte ich nicht mehr auf dem Schirm. Die Fehlermeldung ist:
(1/1) FatalThrowableError
Type error: Argument 1 passed to PrestaShop\PrestaShop\Core\Payment\PaymentOption::convertLegacyOption() must be of the type array, string given
in PaymentOption.php line 337
at PaymentOption::convertLegacyOption('')
at array_map(array('PrestaShop\\PrestaShop\\Core\\Payment\\PaymentOption', 'convertLegacyOption'), array('spmmultiblocks' => ''))in PaymentOptionsFinder.php line 46
at PaymentOptionsFinderCore->find()in PaymentOptionsFinder.php line 82
at PaymentOptionsFinderCore->present()in supercheckout.php line 3150
at SupercheckoutSupercheckoutModuleFrontController->loadPaymentMethods('83')in supercheckout.php line 124
at SupercheckoutSupercheckoutModuleFrontController->postProcess()in Controller.php line 295
at ControllerCore->run()in Dispatcher.php line 518
at DispatcherCore->dispatch()in index.php line 28
Hat jemand eine Idee wie der Fehler zustande kommt?