How To Fix B1421 - Function not possible for the selected line

B1421 - Overview

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 421

• Message text: Function not possible for the selected 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 B1421 - Function not possible for the selected line ?

  The SAP error message B1421, which states "Function not possible for the selected line," typically occurs in the context of certain transactions or processes where a specific function cannot be executed on the selected line item. This error can arise in various modules, such as Sales and Distribution (SD), Materials Management (MM), or Financial Accounting (FI), depending on the context.
  Causes:
  
  Incorrect Line Selection: The line item you are trying to perform an action on may not be valid for that action. For example, you might be trying to delete or change a line that is already processed or locked.
  Status of the Document: The document status may not allow for the requested function. For instance, if the document is already completed or in a status that prohibits changes, you will encounter this error.
  Missing Data: Required fields or data may be missing for the selected line, preventing the function from being executed.
  Authorization Issues: