How To Fix CNV20551592 - Table &1 must run before &2 (due to reconciliation)! Adjust sequence no.!

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 592

• Message text: Table &1 must run before &2 (due to reconciliation)! Adjust sequence no.!

What causes this issue?

The reference table must be processed before the table against which it
is going to be reconciled. This is especially true if you use the
drop-insert technology. This condition is violated.

System Response

Error message.

How to fix this error?

Adjust the sequence numbers of the two tables in CNVTABLES, then carry
out the activity once 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 CNV20551592 - Table &1 must run before &2 (due to reconciliation)! Adjust sequence no.! ?

  The SAP error message CNV20551592 indicates that there is a dependency issue between two tables during a data migration or conversion process. Specifically, it suggests that one table (denoted as &1) must be processed before another table (denoted as &2) due to reconciliation requirements. This is common in scenarios where data integrity and consistency are critical, such as during system migrations or upgrades.
  Cause:
  The error occurs when the sequence in which the tables are processed does not adhere to the required order. This can happen due to:
  
  Incorrect configuration of the migration sequence.
  Missing dependencies that have not been accounted for in the migration plan.
  Changes in the data model that affect the order of processing.
  
  Solution:
  To resolve this error, you should take the following steps:
  
  
  Identify the Tables: Determine which tables correspond to &1 and &2 in the error message. This information is usually provided in the error log or message details.
  
  
  Check Dependencies: Review the dependencies between the two tables. Understand why &1 must be processed before &2. This may involve checking documentation or consulting with a data migration expert.
  
  
  Adjust Sequence: Modify the processing sequence in your migration or conversion tool to ensure that &1 is executed before &2. This may involve:
  
  Changing the order in a configuration file.
  Adjusting settings in the migration tool.
  Reordering the execution of scripts or jobs.
  
  
  
  Test the Changes: After adjusting the sequence, run a test migration to ensure that the error is resolved and that data integrity is maintained.
  
  
  Consult Documentation: If you are unsure about the dependencies or the correct sequence, refer to SAP documentation or guides related to the specific migration or conversion process you are working on.
  
  
  Seek Support: If the issue persists, consider reaching out to SAP support or consulting with a professional who has experience with SAP data migrations.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance on handling table dependencies during migrations.
  Migration Tools: Familiarize yourself with the specific migration tools you are using (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) as they may have built-in features to manage dependencies.
  Data Model Changes: If there have been recent changes to the data model, ensure that all migration scripts and processes are updated accordingly to reflect these changes.
  
  By following these steps, you should be able to resolve the CNV20551592 error and successfully complete your data migration or conversion process.