How To Fix CNV_IUUC_REPLICATION061 - No assignment of a key field structure for table &1

CNV_IUUC_REPLICATION061 - Overview

• Message type: E = Error

• Message class: CNV_IUUC_REPLICATION - IUUC replication messages (HANA)

• Message number: 061

• Message text: No assignment of a key field structure for table &1

What causes this issue?

It is tried to define a data transfer (initial load and/or replication)
for table &SYST-MSGV1& . As this is an INDX-like table, it cannot be
directly replicated, but it is necessary to define an assignment of
logical tables to this table. These logical tables have a key structure
which is specific for the possible RELID values of table &SYST-MSGV1& .
The assignment of the appropriate key structures to the RELIDs of table
&SYST-MSGV1& must be maintained in table IUUC_INDX_KEYDEF. However, in
this table, no such assignment was found.

System Response

The requested activity could not be performed for this table.

How to fix this error?

Maintain, in table IUUC_INDX_KEYDEF, the assignment of key structures to
the possible RELID values of table &SYST-MSGV1&

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

CNV_IUUC_REPLICATION061 - Details

• The SAP error message CNV_IUUC_REPLICATION061 indicates that there is no assignment of a key field structure for a specific table in the context of SAP Landscape Transformation (SLT) replication. This error typically arises during the configuration of SLT when trying to set up data replication from an SAP source system to a target system.
  
  Cause:
  The error occurs when the SLT system cannot find a proper key field structure for the specified table. This can happen due to several reasons:
  
  Missing Key Fields: The table in question may not have a defined primary key or the key fields are not properly configured in the SLT settings.
  Incorrect Configuration: The SLT configuration might not have been set up correctly, leading to the absence of key field assignments.
  Table Not Supported: The table may not be supported for replication, or it may not be configured for replication in the SLT system.
  Changes in Table Structure: If the structure