How To Fix F2120 - Only select one of the customer fields

SAP Error Message - Details

• Message type: E = Error

• Message class: F2 - Master Data Maintenance: Customer, Vendor

• Message number: 120

• Message text: Only select one of the customer fields

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 F2120 - Only select one of the customer fields ?

  The SAP error message F2120, which states "Only select one of the customer fields," typically occurs in the context of financial transactions or reporting where the system expects a single customer identifier to be selected, but multiple customer fields have been filled in or selected.
  Cause:
  The error is usually caused by one of the following scenarios:
  
  Multiple Customer Fields Selected: The user has selected or entered values in more than one customer-related field (e.g., Customer Number, Customer Group, etc.) in a transaction or report.
  Incorrect Configuration: The configuration of the transaction or report may not be set up to handle multiple customer identifiers simultaneously.
  Data Entry Error: A mistake during data entry where the user inadvertently fills in multiple fields that are meant to be mutually exclusive.
  
  Solution:
  To resolve the F2120 error, you can take the following steps:
  
  
  Review Input Fields: Check the fields you have filled in on the transaction screen. Ensure that only one customer-related field is populated. For example, if you have entered a Customer Number, make sure that other fields like Customer Group or Customer Name are left blank.
  
  
  Clear Unnecessary Fields: If you find that multiple fields are filled, clear the unnecessary fields so that only one customer identifier is selected.
  
  
  Consult Documentation: Refer to the specific transaction or report documentation to understand which fields are required and which are optional.
  
  
  Check Configuration: If you have access to configuration settings, verify that the settings for the transaction or report are correctly configured to allow for the intended use.
  
  
  User Training: If this error occurs frequently, consider providing training or guidance to users on how to properly fill out the transaction or report to avoid this error.
  
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to customer management, such as FBL5N (Customer Line Item Display) or FB60 (Enter Incoming Invoice).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Support: If the issue persists after following the above steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By ensuring that only one customer field is selected, you should be able to resolve the F2120 error and proceed with your transaction or report.