SSL stopping site loading?

Hi after changing a few settings to try get smtp to work properly with SSL a site on a sub server that was working now won’t load. In the apache log it says this:

[Thu Nov 19 09:55:33.831485 2015] [ssl:warn] [pid 31176] AH01906: RSA server certificate is a CA certificate (BasicConstraints: CA == TRUE !?)
[Thu Nov 19 09:55:33.831495 2015] [ssl:warn] [pid 31176] AH01909: RSA certificate configured for does NOT include an ID which matches the server name

Any help would be great to get this working again?

Thank you