How To Fix CNV_20340005 - The available controlling area mapping does not imply a merge scenario

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20340 - Messages for cycle conversion

• Message number: 005

• Message text: The available controlling area mapping does not imply a merge scenario

What causes this issue?

In case the available controlling area mapping implies a merge scenario
(several controlling areas will be merged into one), it needs to be
checked if certain cycles will result in duplicate entries due to the
conversion.
It was determined that based on the available controlling area mapping a
merge of cycles will not happen.

System Response

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

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20340005 - The available controlling area mapping does not imply a merge scenario ?

  The SAP error message CNV_20340005 indicates that there is an issue with the controlling area mapping during a data migration or conversion process, specifically in the context of SAP's Conversion and Migration tools. This error typically arises when the system expects a merge scenario for controlling areas, but the available mapping does not support this.
  Cause:
  
  Inconsistent Mapping: The mapping defined for controlling areas does not align with the expected merge scenario. This could happen if the controlling areas are not set up correctly in the source or target systems.
  Configuration Issues: The configuration settings for the controlling areas may not be properly defined, leading to a mismatch in expectations during the migration process.
  Data Integrity Issues: There may be issues with the data integrity in the source system, such as missing or incorrect entries in the controlling area mapping tables.
  
  Solution:
  
  Review Controlling Area Mapping: Check the mapping configuration for the controlling areas in the migration tool. Ensure that the mappings are correctly defined and that they reflect the intended merge scenario.
  Adjust Configuration: If the mapping is incorrect, adjust the configuration to ensure that it supports the merge scenario. This may involve creating new mappings or modifying existing ones.
  Data Validation: Validate the data in both the source and target systems to ensure that all necessary entries are present and correct. This may involve checking for missing controlling areas or incorrect assignments.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool you are using. There may be specific guidelines or prerequisites that need to be followed.
  Seek Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide guidance based on the specific context of your migration.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Migration Tools: Familiarize yourself with the specific migration tools being used (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) and their requirements for controlling area mapping.
  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 the root cause of the error and implement a solution to resolve it.