How To Fix CNV20551776 - Table &1: Error in CNVFIELDS. Mismatch in CNVFIELDS and CNVSTPARS

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 776

• Message text: Table &1: Error in CNVFIELDS. Mismatch in CNVFIELDS and CNVSTPARS

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20551776 - Table &1: Error in CNVFIELDS. Mismatch in CNVFIELDS and CNVSTPARS ?

  The SAP error message CNV20551776 indicates a problem related to the data conversion process, specifically involving the CNVFIELDS and CNVSTPARS tables. This error typically arises during data migration or conversion activities, often in the context of SAP's data migration tools or during system upgrades.
  Cause:
  The error message suggests that there is a mismatch between the fields defined in the CNVFIELDS table and the parameters in the CNVSTPARS table. This can occur due to several reasons:
  
  Inconsistent Configuration: The configuration settings for the data migration might not be aligned, leading to discrepancies between the expected fields and the actual fields present in the tables.
  Missing or Incorrect Entries: There may be missing entries in either the CNVFIELDS or CNVSTPARS tables, or the entries may not correspond correctly to each other.
  Data Model Changes: If there have been changes to the data model (e.g., during an upgrade or a migration project), the mappings may not have been updated accordingly.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Configuration: Review the configuration settings for the data migration process. Ensure that the mappings between CNVFIELDS and CNVSTPARS are correctly defined.
  
  
  Validate Entries: 
  
  Check the entries in the CNVFIELDS table to ensure that all required fields are present and correctly defined.
  Similarly, check the CNVSTPARS table for any missing or incorrect parameters.
  
  
  
  Consistency Check: Use transaction codes like SE11 (Data Dictionary) to analyze the structure of both tables and ensure that they are consistent with each other.
  
  
  Review Documentation: Consult the SAP documentation or notes related to the specific migration or conversion process you are performing. There may be specific instructions or known issues that can help you resolve the mismatch.
  
  
  Debugging: If you have access to debugging tools, you can trace the execution of the data migration program to identify where the mismatch occurs.
  
  
  SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for assistance. Provide them with the error message and any relevant details about your migration process.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide guidance on data migration issues.
  Transaction Codes: Familiarize yourself with transaction codes related to data migration, such as LTMC (Legacy Transfer Migration Cockpit) or LSMW (Legacy System Migration Workbench), depending on the tools you are using.
  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 cause of the CNV20551776 error in your SAP environment.