How To Fix CNV_40305037 - Substitution rule is active for company code &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_40305 - Asset transfer postings due to a change of account determ.

• Message number: 037

• Message text: Substitution rule is active for company code &1

What causes this issue?

A warning occurred during the asset class merge check.

System Response

Assets that belong to company code &V1& are assigned to participating
asset classes.
It was found that there is a necessity for transfer postings as there is
semantic change in asset account determination. Detailed information of
the impacted asset classes can be retrieved from table CNV_40305_MERGE
with selection criteria MERGE_TYPE = 'C'.

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?

It is important to check the status and consistency of substitution
rule. If the rule is not consistent, then it might lead to error during
transfer postings.

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_40305037 - Substitution rule is active for company code &1 ?

  The SAP error message CNV_40305037 indicates that a substitution rule is active for a specific company code, which may be causing issues during data migration or processing. This error typically arises in the context of data conversion or migration projects, particularly when using SAP's tools for data transfer.
  Cause:
  The error occurs when:
  
  A substitution rule is defined in the system for the specified company code.
  The system is trying to process data that conflicts with the active substitution rule, which may lead to inconsistencies or errors in the data being processed.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Substitution Rules:
  
  Go to the transaction code OB28 (or the relevant transaction for your version) to view the substitution rules.
  Identify the substitution rule that is active for the specified company code.
  
  
  
  Analyze the Rule:
  
  Review the logic of the substitution rule to understand why it is being triggered.
  Determine if the rule is necessary for your current data processing or migration task.
  
  
  
  Deactivate or Modify the Rule:
  
  If the substitution rule is not needed for your current operation, consider deactivating it temporarily.
  If the rule is necessary, you may need to modify it to accommodate the data being processed.
  
  
  
  Test Changes:
  
  After making changes to the substitution rules, test the data processing again to see if the error persists.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to substitution rules for additional guidance on best practices and implications of changes.
  
  
  
  Seek Help from SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is part of a larger migration project.
  
  
  
  Related Information:
  
  Substitution Rules: These are used in SAP to automatically replace certain values in documents based on predefined criteria. They are often used in financial accounting and controlling.
  Data Migration Projects: When migrating data to SAP, it is crucial to ensure that all business rules, including substitution rules, are accounted for to avoid data integrity issues.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OB28 (for substitution rules) and others that may be involved in your specific scenario.
  
  By following these steps, you should be able to address the error CNV_40305037 effectively.