How To Fix GB120 - Only select one entry

SAP Error Message - Details

• Message type: E = Error

• Message class: GB - Messages used by the Boolean code generator

• Message number: 120

• Message text: Only select one entry

What causes this issue?

The system can only process one entry for the selected function.

System Response

None

How to fix this error?

Select an entry. Position the cursor in the field that you want the
system to process and reselect the desired function.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GB120 - Only select one entry ?

  The SAP error message GB120 "Only select one entry" typically occurs when a user attempts to perform an action that requires a single selection, but multiple entries are selected instead. This can happen in various contexts within SAP, such as when processing documents, executing transactions, or managing data in lists.
  Cause:
  
  Multiple Selections: The most common cause is that the user has selected more than one item in a list or table where only a single item is allowed.
  Transaction Restrictions: Certain transactions or functions in SAP are designed to operate on a single entry to prevent ambiguity or errors in processing.
  User Interface Design: The design of the SAP interface may lead users to inadvertently select multiple items, especially if the selection method is not clear.
  
  Solution:
  
  Review Selections: Check the list of selected items and ensure that only one entry is selected. Deselect any additional items.
  Use Filters: If you need to find a specific entry, consider using filters or search functions to narrow down the list before making a selection.
  Follow Transaction Guidelines: Refer to the specific transaction documentation or guidelines to understand the selection requirements.
  User Training: If this error occurs frequently, consider providing additional training for users on how to properly select entries in SAP.
  
  Related Information:
  
  Transaction Codes: The error can occur in various transaction codes, so it’s important to know the context in which the error arises.
  SAP Notes: Check SAP Notes or the SAP Support Portal for any updates or patches related to the specific transaction or module you are using.
  User Forums: Engage with SAP community forums or user groups to see if others have encountered the same issue and what solutions they found effective.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant for further assistance.