Unable to (re)create myself connection in BW system

Hello,

i am wondering, if any of you can help me with following issue on our QA system (SCQ).

We did a bacukp-restore PRD to QA of our SAP (BW) system. After restore, we deleted all source systems and now we cannot create SCQ-to-SCQ source system in RSA1 anymore.

I found in SAP help, that myself connection is created automatically when you enter Administrators Workbench transaction (RSA1) for the first time. You cannot create myself source system manually in Source system section of RSA1.

However, we also tried to make source system manually, but we figured out this is not OK, because system automatically stops IDOCS that have the same source and target system (infinite loop).

So - how could we recreate myself connection??

Thanks in advance for all comments!

Kind regards,

Aljaž