Installation 6.3.1.0 Slim Application Error on Debian Apache2

Type: TypeError

Message: openssl_pkey_get_details() expects parameter 1 to be resource, bool given

File: /var/customers/webs/messerundl/vendor/shopware/recovery/Common/src/Service/JwtCertificateService.php

 

muss ich bezüglich SSL php anpassen?