How To Fix /PLMU/PPE_ENG_UI001 - Select only one valid line

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMU/PPE_ENG_UI -

• Message number: 001

• Message text: Select only one valid 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PLMU/PPE_ENG_UI001 - Select only one valid line ?

  The SAP error message /PLMU/PPE_ENG_UI001 Select only one valid line typically occurs in the context of the SAP Plant Maintenance (PM) or Production Planning (PP) modules, particularly when working with user interfaces that involve selecting items or lines from a list. This error indicates that the system expects the user to select only one valid line from a list, but either multiple lines have been selected or none at all.
  Cause:
  
  Multiple Selections: The user may have selected more than one line in a list where only a single selection is allowed.
  No Selection: The user may not have selected any line at all, which can also trigger this error.
  Invalid Line: The selected line may not be valid for the operation being performed, leading to the error message.
  User Interface Restrictions: The specific transaction or screen may have restrictions that enforce single selection.
  
  Solution:
  
  Single Selection: Ensure that you only select one line from the list. If you have selected multiple lines, deselect the additional lines and keep only one selected.
  Check Validity: Make sure that the selected line is valid for the operation you are trying to perform. If the line is not valid, select a different line that meets the criteria.
  Refresh the Screen: Sometimes, refreshing the screen or reloading the data can help clear any temporary issues that might be causing the error.
  Consult Documentation: Refer to the specific SAP documentation or user guide for the transaction you are using to understand the selection criteria better.
  User Training: If this is a recurring issue, consider providing training to users on how to properly select items in the interface.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to PM or PP, such as IW31 (Create Work Order), CO01 (Create Production Order), etc.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles and Authorizations: Ensure that the user has the necessary roles and authorizations to perform the action they are attempting, as this can sometimes lead to unexpected behavior.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant who can analyze the specific context of the error in your system.