From you previous shared snap shots,could you share the start command of router as i've some doubts on it ?
Try to start the router by following sample command
saprouter -r -K "p:CN=<hostname>, OU=000076562, OU=SAProuter, O=SAP, C=DE" |
In your dev_rout log file snap shot you've provided CN value with sapserv2 & O value with Sap.Please verify for these entries first or generate a valid cert for valid host name.
Hope you & others will find it relevant here.
Regards,