How To Fix CNV_PE595 - Transfer method &1 must not have any undo transfer method

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 595

• Message text: Transfer method &1 must not have any undo transfer method

What causes this issue?

According to the settings of the transfer method it must not have any
undo transfer method.

System Response

Error

How to fix this error?

Before assigning an undo transfer method to the post transfer method
&V1&, the following flags must be cleared:
NO_UNDO
NO_WLRL

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 CNV_PE595 - Transfer method &1 must not have any undo transfer method ?

  The SAP error message CNV_PE595 indicates that there is an issue with the transfer method configuration in the context of a data migration or transfer process. Specifically, the error states that the transfer method specified (denoted as &1) must not have any associated undo transfer method.
  Cause:
  This error typically arises when:
  
  A transfer method has been defined with an undo transfer method, which is not allowed for the specific transfer method you are trying to use.
  The configuration of the transfer method is incorrect or not aligned with the requirements of the data migration process.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Transfer Method Configuration:
  
  Go to the configuration settings for the transfer method in question.
  Verify if an undo transfer method has been assigned to it. If it has, you will need to remove it.
  
  
  
  Modify Transfer Method:
  
  If the transfer method is not supposed to have an undo method, ensure that it is configured correctly without any undo transfer method linked to it.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation or guidelines related to the specific transfer method you are using. This can provide insights into the expected configuration and any restrictions.
  
  
  
  Testing:
  
  After making the necessary changes, test the transfer process again to ensure that the error is resolved.
  
  
  
  Seek Help from SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support or consulting with a technical expert who specializes in SAP data migration.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use specific transaction codes (like SE11, SE80, or others) to check the configuration of the transfer methods.
  SAP Notes: Look for relevant SAP Notes that might address this specific error or provide additional context.
  Data Migration Tools: If you are using a specific data migration tool (like SAP S/4HANA Migration Cockpit), ensure that you are following the best practices and guidelines provided for that tool.
  
  By following these steps, you should be able to identify the root cause of the error and implement the necessary changes to resolve it.