BI configurations after ECC QAS logical system changed

Hi Experts,

After an ECC PRD system copy to BI QAS our datasources and other objects all gone.

And also ECC QAS logical system has been changed. ( 110 to 100). So there is an impact only to BI QAS.

Please note: our basis knowledge regading BI systems is very low.

I want to know after this change, in BI QAS what steps need to follow? What are the places we need to change in BI QAS?

As at now we connect the source system.

Tools -> conversion of logical system

Tools -> Manage source system

Is there any other configuration need to be done?

Please appreciate a quick input.

Thanks,

Thilini