How To Fix IS021 - Enter a valid reference indicator

SAP Error Message - Details

• Message type: E = Error

• Message class: IS - Equipment management

• Message number: 021

• Message text: Enter a valid reference indicator

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 IS021 - Enter a valid reference indicator ?

  The SAP error message IS021 "Enter a valid reference indicator" typically occurs in the context of creating or processing documents in SAP, particularly when dealing with financial transactions or document entries. The reference indicator is a field that helps identify the nature of the transaction or document being processed.
  Cause:
  
  Invalid Input: The reference indicator field may have been left blank or filled with an invalid value that does not correspond to any predefined reference indicators in the system.
  Configuration Issues: The reference indicators may not be properly configured in the system, or the user may not have the necessary authorizations to use certain reference indicators.
  Data Entry Errors: There may be typographical errors or incorrect formats in the input data.
  
  Solution:
  
  Check Input: Ensure that the reference indicator field is filled in correctly. Verify that you are using a valid reference indicator that exists in the system.
  Consult Documentation: Refer to the SAP documentation or help files to understand the valid values for the reference indicator in your specific context.
  Configuration Review: If you have access, check the configuration settings for reference indicators in the relevant module (e.g., Financial Accounting, Controlling). Ensure that the necessary reference indicators are defined and active.
  User Authorizations: Verify that you have the necessary permissions to use the reference indicators. If not, contact your SAP administrator to request the appropriate access.
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using specific transaction codes (e.g., FB01 for document posting, F-02 for general posting) that require reference indicators.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance related to reference indicators.
  Training and Documentation: Ensure that users are trained on the correct usage of reference indicators and that they have access to up-to-date documentation.
  
  By following these steps, you should be able to resolve the IS021 error and successfully enter the required data in SAP.