How To Fix M&148 - Select a line

SAP Error Message - Details

• Message type: E = Error

• Message class: M& -

• Message number: 148

• Message text: Select a line

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 M&148 - Select a line ?

  The SAP error message M&148 "Select a line" typically occurs in the context of inventory management or material management transactions, particularly when the system expects the user to select a specific line item from a list or table but none has been selected.
  Cause:
  
  No Selection Made: The most common cause is that the user has not selected any line item from a list or table where a selection is required.
  Multiple Selections: In some cases, the system may require a single selection, and if multiple lines are selected, it can trigger this error.
  User Interface Issue: Sometimes, the user interface may not be responding correctly, leading to the impression that a line is selected when it is not.
  
  Solution:
  
  Select a Line: Ensure that you click on a specific line item in the list or table that you are working with. Make sure that the line is highlighted or marked as selected.
  Check for Multiple Selections: If the transaction requires a single selection, ensure that only one line is selected. Deselect any other lines if necessary.
  Refresh the Screen: If you believe you have made a selection but still receive the error, try refreshing the screen or navigating away and back to the transaction.
  Check User Permissions: Ensure that you have the necessary permissions to perform the action you are trying to execute. Sometimes, lack of permissions can lead to unexpected errors.
  Consult Documentation: If the issue persists, refer to SAP documentation or help resources specific to the transaction you are using for additional guidance.
  
  Related Information:
  
  Transaction Codes: This error can occur in various transaction codes related to inventory management, such as MIGO (Goods Movement), MB1A (Goods Withdrawal), or others.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific transaction or version of SAP you are using.
  User Training: If this error is common among users, consider providing additional training on how to properly select line items in SAP.
  
  If the problem continues after trying these solutions, it may be beneficial to contact your SAP support team for further assistance.