How To Fix MPN04018 - Select one item

SAP Error Message - Details

• Message type: E = Error

• Message class: MPN04 - MPN Message: Goods Issue

• Message number: 018

• Message text: Select one item

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message MPN04018 - Select one item ?

  The SAP error message MPN04018, which states "Select one item," typically occurs in the context of Material Planning and Network (MPN) processes, particularly when dealing with the selection of items in a transaction or report where a single item is expected but multiple items are selected or none at all.
  Cause:
  
  Multiple Selections: The user may have selected multiple items when the system expects only one item to be selected for processing.
  No Selection: The user may not have selected any item at all, leading to the error message.
  Incorrect Transaction Context: The transaction or report being executed may require a specific item to be selected, and the current selection does not meet that requirement.
  
  Solution:
  
  Select a Single Item: Ensure that you are selecting only one item when prompted. If you have multiple items selected, deselect the others and try again.
  Check for Active Selections: If you believe you have selected an item, double-check the selection list to confirm that an item is indeed selected.
  Review Transaction Requirements: Consult the documentation or help resources for the specific transaction you are using to understand the selection requirements.
  Refresh the Screen: Sometimes, refreshing the screen or re-entering the transaction can help clear any temporary issues.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to MPN, such as MPN-related reports or planning transactions.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Permissions: Ensure that you have the necessary permissions to access the items you are trying to select.
  System Configuration: In some cases, system configuration or settings may affect how items are selected or processed.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or refer to SAP community forums for further assistance.