How To Fix MRNB211 - Select just one line for this function

SAP Error Message - Details

• Message type: E = Error

• Message class: MRNB - Messages for Revaluation (Retro Active Pricing)

• Message number: 211

• Message text: Select just one line for this function

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MRNB211 - Select just one line for this function ?

  The SAP error message MRNB211 ("Select just one line for this function") typically occurs in the context of the Material Management (MM) module, particularly when dealing with purchase orders, goods receipts, or invoice verification. This error indicates that the system expects the user to select only one line item for a specific action, but multiple lines have been selected instead.
  Cause:
  The primary cause of this error is that the user has selected multiple line items in a transaction where only a single line item is allowed for processing. This can happen in various scenarios, such as when trying to display details, perform a function, or execute a transaction that requires a single selection.
  Solution:
  To resolve the MRNB211 error, follow these steps:
  
  Review Your Selection: Go back to the selection screen or the list where the error occurred.
  Select a Single Line: Ensure that you only select one line item. You can do this by clicking on the desired line while holding down the Ctrl key (to deselect others) or by using the selection options provided in the interface.
  Re-execute the Function: After selecting a single line, try to execute the function again.
  
  Related Information:
  
  Transaction Codes: This error can occur in various transaction codes related to purchasing and inventory management, such as ME21N (Create Purchase Order), MIGO (Goods Movement), or MIRO (Invoice Verification).
  User Training: Ensure that users are trained on the importance of selecting the correct number of line items in transactions to avoid this error.
  SAP Notes: Check for any relevant SAP Notes or documentation that may provide additional context or updates related to this error message.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP's official documentation for further troubleshooting.