SAP Message RSAR670 - Source system cannot be deleted in Content system

Diagnosis
If a source system is deleted in the Content system, the shadow tables
for all source system-dependent objects for this source system releaseare also deleted. You can configure a user as a non-Content user byusing a SET-GET parameter. You can then use this user to delete thesystem, and then the above-named objects are not changed during
deletion.

System Response
The function is completed.

Procedure
Logon as user ACTIVATE, and repeat your actions.