How To Fix CNV_00001191 - You need to specify a source field for target field &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_00001 - Message class for CWB settings maintenance programs

• Message number: 191

• Message text: You need to specify a source field for target field &1

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_00001191 - You need to specify a source field for target field &1 ?

  The SAP error message CNV_00001191 indicates that during a data migration or conversion process, a source field has not been specified for a target field in the mapping configuration. This error typically arises in the context of using SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data conversion tools.
  Cause:
  The error occurs when:
  
  A target field in the mapping configuration does not have a corresponding source field defined.
  The mapping configuration is incomplete or incorrectly set up.
  There may be a missing entry in the mapping table that links source fields to target fields.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Mapping Configuration:
  
  Go to the mapping configuration screen where you define the source and target fields.
  Ensure that every target field has a corresponding source field defined.
  
  
  
  Define Source Field:
  
  If a source field is missing, you need to specify it. This can usually be done by selecting the appropriate source field from the available fields in your source data structure.
  
  
  
  Review Data Structure:
  
  Make sure that the source data structure is correctly defined and that all necessary fields are available for mapping.
  
  
  
  Validate Mapping:
  
  After making changes, validate the mapping configuration to ensure that there are no other missing fields or errors.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or guides related to the specific data migration tool you are using for additional context and best practices.
  
  
  
  Test the Migration:
  
  Once the mapping is corrected, run a test migration to ensure that the error is resolved and that data is being transferred correctly.
  
  
  
  Related Information:
  
  Transaction Codes: Depending on the tool you are using, you may need to use specific transaction codes to access the mapping configuration (e.g., LTMC for the Migration Cockpit).
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or updates related to this error message.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues faced by other users and their solutions.
  
  By following these steps, you should be able to resolve the CNV_00001191 error and successfully complete your data migration or conversion process.