How To Fix LR100 - Enter purchase order number and item number

SAP Error Message - Details

• Message type: E = Error

• Message class: LR - CATS: Cross-Application Time Sheet

• Message number: 100

• Message text: Enter purchase order number and item number

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 LR100 - Enter purchase order number and item number ?

  The SAP error message LR100, which states "Enter purchase order number and item number," typically occurs when a user attempts to perform an action related to a purchase order (PO) but has not provided the necessary details, specifically the purchase order number and item number.
  Cause:
  
  Missing Input: The most common cause of this error is that the user has not entered a purchase order number or item number in the relevant fields.
  Incorrect Screen Navigation: The user may have navigated to a screen that requires these inputs without having them available.
  Data Entry Error: There may be a typographical error or misunderstanding regarding where to enter the required information.
  
  Solution:
  
  
  Enter Required Information: Ensure that you enter both the purchase order number and the item number in the appropriate fields. 
  
  Purchase Order Number: This is usually a unique identifier for the purchase order.
  Item Number: This refers to the specific line item within the purchase order.
  
  
  
  Check for Validity: Make sure that the purchase order number and item number you are entering are valid and exist in the system. You can verify this by checking the purchase order in the relevant transaction (e.g., ME23N for display).
  
  
  Review User Permissions: If you believe you are entering the correct information but still receive the error, check if you have the necessary permissions to access the purchase order.
  
  
  Consult Documentation: If you are unsure about the format or the specific fields required, refer to your organization's SAP documentation or user manuals.
  
  
  Contact Support: If the issue persists after verifying the inputs, consider reaching out to your SAP support team or system administrator for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Common transaction codes related to purchase orders include ME21N (Create PO), ME22N (Change PO), and ME23N (Display PO).
  SAP Help Portal: You can find additional information and troubleshooting steps in the SAP Help Portal or through SAP Notes.
  User Training: If this error is frequently encountered, it may be beneficial to provide additional training for users on how to properly enter purchase order information in SAP.
  
  By ensuring that the required fields are filled out correctly and verifying the validity of the data, you should be able to resolve the LR100 error effectively.