How To Fix FB521 - Only enter 1, 2 or blank

SAP Error Message - Details

• Message type: E = Error

• Message class: FB - Batch Programs

• Message number: 521

• Message text: Only enter 1, 2 or blank

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 FB521 - Only enter 1, 2 or blank ?

  The SAP error message FB521 ("Only enter 1, 2 or blank") typically occurs in the context of financial document processing, particularly when dealing with document types or posting keys that require specific input values. This error indicates that the system expects a specific input (1, 2, or blank) in a certain field, and any other value entered is not acceptable.
  Cause:
  
  Incorrect Input: The user may have entered a value in a field that only accepts 1, 2, or a blank value. This often happens in fields related to document types, posting keys, or other financial indicators.
  Configuration Issues: There may be a configuration issue in the SAP system where the field is not set up correctly to accept the intended values.
  User Error: The user may not be aware of the required input values for the specific transaction or document type they are working with.
  
  Solution:
  
  Check Input Values: Ensure that you are entering only the values 1, 2, or leaving the field blank as required by the system. Review the documentation or help text associated with the field to understand what is expected.
  Review Field Requirements: If you are unsure about the field requirements, consult with your SAP functional consultant or refer to the SAP documentation for the specific transaction you are using.
  Configuration Review: If the error persists and you believe the input is correct, it may be necessary to review the configuration settings in the SAP system. This may involve checking the settings for the relevant document types or posting keys in the Financial Accounting (FI) module.
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or updates that may address this specific error message.
  
  Related Information:
  
  Transaction Codes: This error can occur in various transaction codes related to financial postings, such as FB01 (Post Document), FB50 (G/L Account Document), or others.
  Field Documentation: Familiarize yourself with the specific fields in the transaction you are using. The F1 help function in SAP can provide context-sensitive help for fields.
  User Training: If this error is common among users, consider providing additional training or documentation to help users understand the input requirements for financial transactions in SAP.
  
  If the issue continues after following these steps, it may be beneficial to engage your SAP support team or a consultant for further assistance.