How To Fix CNV_20211_CHECK258 - No implicit company merges

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20211_CHECK - Messages for check functions (company conversion)

• Message number: 258

• Message text: No implicit company merges

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20211_CHECK258 - No implicit company merges ?

  The SAP error message CNV_20211_CHECK258: No implicit company merges typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that the system has detected a situation where it cannot automatically merge company codes or entities due to certain constraints or configurations.
  Cause:
  
  Company Code Configuration: The error often arises when there are multiple company codes that are supposed to be merged, but the system finds that they cannot be merged implicitly due to existing dependencies or configurations.
  Data Inconsistencies: There may be inconsistencies in the data related to the company codes, such as open transactions, different fiscal year variants, or differing currencies.
  Missing Configuration: The necessary configuration for merging company codes may not be set up correctly in the system.
  Custom Logic: If there are custom developments or enhancements in the system that affect company code behavior, these may prevent implicit merges.
  
  Solution:
  
  Review Company Code Settings: Check the configuration of the company codes involved in the merge. Ensure that they have compatible settings, such as fiscal year variants and currencies.
  Data Cleanup: Ensure that there are no open transactions or inconsistencies in the data for the company codes that are being merged. This may involve clearing open items or reconciling accounts.
  Manual Merge: If the system cannot perform an implicit merge, consider performing a manual merge of the company codes. This may involve using transaction codes like OX15 (for company code settings) and OX16 (for company code assignment).
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration or conversion process you are using. There may be specific guidelines or prerequisites for merging company codes.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. They can provide insights based on the specific version of SAP you are using and any known issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OX15 (Define Company Code) and OX16 (Assign Company Code to Company).
  SAP Notes: Check for any SAP Notes related to the error message or the migration process you are using. These notes may provide additional context or solutions.
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, review the migration object settings and ensure that all prerequisites are met before starting the migration.
  
  By addressing the underlying causes and following the suggested solutions, you should be able to resolve the CNV_20211_CHECK258 error and successfully proceed with your data migration or conversion process.