How To Fix CNV20551042 - DOMNAME=&1/ROLLNAME=&2 must not occur in CNV_20551_OBJ

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20551 - message for package 20551 (company code delete)

• Message number: 042

• Message text: DOMNAME=&1/ROLLNAME=&2 must not occur in CNV_20551_OBJ

What causes this issue?

The data element was included in the list of relevant object types
(table CNV_20551_OBJ).
The data element corresponds to an organizational unit, a cross-company
code master data item or an object for which there is a special object
table (such as CNV_20551_MBLNR).

System Response

Error!

How to fix this error?

Remove the wrong entry from table CNV_20551_OBJ.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20551042 - DOMNAME=&1/ROLLNAME=&2 must not occur in CNV_20551_OBJ ?

  The SAP error message CNV20551042 indicates that there is a conflict with the naming of a DOM (Domain) and ROLL (Roll Area) in the context of a data conversion or migration process, specifically related to the CNV_20551_OBJ table. This error typically arises during the execution of a data migration project, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  Cause:
  The error message CNV20551042 occurs when:
  
  A domain name (DOMNAME) and a roll area name (ROLLNAME) that are being processed already exist in the CNV_20551_OBJ table. This table is used to track objects that are part of the conversion or migration process.
  The system is trying to create or modify an object that conflicts with existing entries in the CNV_20551_OBJ table.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Entries: 
  
  Query the CNV_20551_OBJ table to see if the specified DOMNAME and ROLLNAME already exist. You can use a SQL query like:
  SELECT * FROM CNV_20551_OBJ WHERE DOMNAME = '<your_domain_name>' AND ROLLNAME = '<your_roll_name>';
  
  
  
  
  Remove or Modify Conflicting Entries:
  
  If you find that the entries already exist and are not needed, you may consider deleting them or modifying them as appropriate. Be cautious with deletions, as they may affect other processes.
  
  
  
  Adjust Migration Settings:
  
  Review the migration settings or the mapping configuration to ensure that you are not trying to create duplicate entries. Adjust the configuration to avoid conflicts.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation related to the specific migration or conversion process you are executing. There may be specific guidelines or prerequisites that need to be followed.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for assistance. They may provide insights specific to your system configuration and the migration process.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its functionalities, as it may provide tools to help manage and troubleshoot migration issues.
  Data Dictionary: Understanding the SAP Data Dictionary can help you better manage domains and roll areas, as well as their relationships.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.