SAP Message 0T052 - Consolidation system &1 cannot be the same as the integration system

Diagnosis
The integration system &1 was specified as the consolidation system.The integration system and consolidation system must be different in atransport route.
A system can only have both these roles in different transport routes(transport layers).
Example:
Incorrect:
Integration system Transport layer Consolidation system
C11 ZC11 C11
Correct:
Integration system Transport layer Consolidation system
C11 ZC11 K11
K11 ZK11 P11

System Response
The entry is rejected.

Procedure
Enter a correct value.