How To Fix CNVCMIS_A_10_MESSAGE021 - Select a single entry to proceed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVCMIS_A_10_MESSAGE -

• Message number: 021

• Message text: Select a single entry to proceed

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 CNVCMIS_A_10_MESSAGE021 - Select a single entry to proceed ?

  The SAP error message CNVCMIS_A_10_MESSAGE021 with the description "Select a single entry to proceed" typically occurs in the context of a transaction or process where the system expects the user to select only one entry from a list or table, but multiple entries have been selected instead.
  Cause:
  
  Multiple Selections: The most common cause of this error is that the user has selected more than one item in a list or table where only a single selection is allowed.
  Incorrect Configuration: In some cases, the configuration of the transaction or the underlying data model may not be set up to handle multiple entries.
  User Interface Design: The design of the user interface may not clearly indicate that only a single selection is allowed, leading to user confusion.
  
  Solution:
  
  Select a Single Entry: Review the list or table from which you are trying to make a selection and ensure that you only select one entry. You can do this by clicking on a single row or item.
  Check for Filters: If applicable, apply filters to narrow down the list to a single entry before making a selection.
  Review Documentation: Consult the documentation or help resources for the specific transaction or process you are working with to understand the selection requirements.
  User Training: If this error occurs frequently, consider providing additional training or guidance to users on how to properly make selections in the system.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes depending on the context (e.g., CNV, migration, or data transfer transactions).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. Sometimes, there may be updates or fixes provided by SAP.
  User Forums: Consider searching or posting in SAP community forums for additional insights or solutions from other users who may have encountered the same issue.
  
  If the problem persists after following these steps, it may be beneficial to contact your SAP support team or consult with an SAP expert for further assistance.