How To Fix DMC_GENERAL236 - Wrong structure relationship for rcv struct &1, relationship type &2

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_GENERAL - MWB: General Messages

• Message number: 236

• Message text: Wrong structure relationship for rcv struct &1, relationship type &2

What causes this issue?

There is an inconsistency in the definition of a structure relationship
for receiver structure &SYST-MSGV1&
Possible inconsistencies are:
Relationship type is 1:1, but either the receiver or the sender
cardinality are not '1'.
Relationship type is Aggregation, but sender cardinality is '1'.
Relationship type is Split, but receiver cardinality is '1'.

System Response

The migration object could not be created

How to fix this error?

Correct the structure relationship, then try again.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_GENERAL236 - Wrong structure relationship for rcv struct &1, relationship type &2 ?

  The SAP error message DMC_GENERAL236 indicates that there is an issue with the structure relationship in the Data Migration Cockpit (DMC) or related data migration processes. Specifically, it points to a problem with the relationship between the receiving structure (rcv struct) and the specified relationship type.
  Cause:
  
  Incorrect Structure Mapping: The receiving structure may not be correctly mapped to the source structure, leading to a mismatch in expected relationships.
  Invalid Relationship Type: The relationship type specified may not be valid for the given structures, or it may not be defined in the system.
  Configuration Issues: There may be configuration issues in the Data Migration Cockpit or the underlying data model that prevent the correct interpretation of the structure relationships.
  Data Model Changes: If there have been recent changes to the data model or structures, it may lead to inconsistencies that trigger this error.
  
  Solution:
  
  Check Structure Mapping: Review the mapping of the source and receiving structures in the Data Migration Cockpit. Ensure that they are correctly defined and that the relationships are valid.
  Validate Relationship Types: Verify that the relationship type being used is appropriate for the structures involved. Consult the documentation or configuration settings to ensure that the relationship type is defined correctly.
  Review Configuration: Check the configuration settings in the Data Migration Cockpit to ensure that all necessary settings are in place and correctly configured.
  Test with Sample Data: If possible, test the migration process with a small set of sample data to identify if the issue persists. This can help isolate the problem.
  Consult Documentation: Refer to SAP documentation or notes related to the Data Migration Cockpit for any specific guidance on this error message.
  Seek Support: If the issue persists after checking the above points, consider reaching out to SAP support or consulting with a technical expert who specializes in data migration processes.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Data Migration Cockpit Documentation: Review the official SAP documentation for the Data Migration Cockpit for best practices and guidelines on structure relationships.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify and resolve the issue related to the DMC_GENERAL236 error message.