How To Fix CNV_20100456 - Choose exactly one entry

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20100 - Messageclass for chart of account conversion

• Message number: 456

• Message text: Choose exactly one entry

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20100456 - Choose exactly one entry ?

  The SAP error message CNV_20100456: Choose exactly one entry typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that the system expects the user to select a single entry from a list, but either no entry or multiple entries have been selected.
  Cause:
  
  Multiple Selections: The user may have selected more than one entry when the system requires only one.
  No Selection: The user may not have selected any entry at all.
  Incorrect Configuration: The migration or conversion process may be incorrectly configured, leading to unexpected behavior.
  User Interface Issues: Sometimes, the user interface may not clearly indicate that only one selection is allowed.
  
  Solution:
  
  Select One Entry: Ensure that you select exactly one entry from the list provided. If you have multiple entries selected, deselect all but one.
  Check for Filters: If you are using filters to narrow down your selection, ensure that the filter criteria are set correctly to allow for a single selection.
  Review Migration Settings: If the error persists, review the migration settings or configuration to ensure that they are set up correctly.
  Consult Documentation: Refer to the SAP documentation or help resources related to the specific migration tool you are using for any additional guidance.
  User Training: If this is a recurring issue, consider providing training or guidance to users on how to properly make selections in the migration tool.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered the same issue and what solutions they found effective.
  Logs and Traces: If you have access to system logs or traces, review them for any additional error messages or warnings that may provide more context about the issue.
  
  If the problem continues after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.