Hey Asad,
That framework container and messagetimeout value we had to manually create by right clicking on the dpserver.ini and selecting add section. Make sure to enter it exactly as it's displayed in the previous screenshot. We received the parameter and value for the parameter from the dpserver development team at SAP. Originally we had it set to 3600 seconds and increased it to it's current value of 21600 seconds to ensure all large tables wouldn't timeout. Without adding that section the dpserver defaults to 10 minutes as I recall and we would receive generic error messages in the hana studio. There might be additional details under the logreader folder either in the framework logs or in the instance log under the logreader folder if you're having the same problem as we were. Hopefully this works for you!
-Noah