How To Fix SO401 - Enter operator

SAP Error Message - Details

• Message type: E = Error

• Message class: SO - SAPoffice: message texts

• Message number: 401

• Message text: Enter operator

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 SO401 - Enter operator ?

  The SAP error message SO401 "Enter operator" typically occurs in the context of creating or modifying selection criteria in reports or queries, particularly when using the SAP Query tool or similar functionalities. This error indicates that the system expects an operator (such as '=', '<>', '>', '<', etc.) to be specified in the selection criteria but it has not been provided.
  Cause:
  
  Missing Operator: The most common cause is that the user has not specified an operator in the selection criteria for a field.
  Incorrect Syntax: There may be a syntax error in the way the selection criteria is defined.
  User Input Error: The user may have inadvertently skipped entering the operator while defining the selection conditions.
  
  Solution:
  
  Check Selection Criteria: Go back to the selection screen where you defined your criteria and ensure that all fields have the appropriate operators specified.
  Correct Syntax: Make sure that the syntax used for the selection criteria is correct. For example, if you are filtering based on a date, ensure that you are using the correct date format and operator.
  Re-enter Criteria: If you are unsure, you can clear the selection criteria and re-enter them carefully, ensuring that you include all necessary operators.
  Consult Documentation: If you are using a specific transaction or report, refer to the SAP documentation or help files for guidance on the expected input format.
  
  Related Information:
  
  Transaction Codes: This error can occur in various transaction codes where selection criteria are used, such as SE16 (Data Browser), SQ01 (SAP Query), or others.
  User Training: If this error occurs frequently, it may be beneficial to provide training for users on how to properly enter selection criteria in SAP.
  SAP Notes: Check for any relevant SAP Notes or updates that may address this issue or provide additional context.
  
  If the problem persists after checking the above points, it may be helpful to consult with your SAP support team or refer to SAP community forums for further assistance.