CECC0048E (0x01020030) CECC0048E Start of replication failed for subscription subscription-name. The target server has detected a problem with the subscription. The error message code is specific-return-code, with the specific return codes ( rc1 , rc2 ).

Explanation
The target server detected a problem with a subscription
when initially preparing to setup to start replication operations.

User response
For instructions about how to resolve the error,
refer to the specific-return-code in the product
message information. If the problem persists, contact IBM® Software Support.

To locate the documentation for the specific-return-code value, 
use the guidelines that are described in Searching for a specific-return-code value.

This is a target server error so the problem needs to be corrected at that site.