How To Fix L2129 - Enter the "Source plant"

SAP Error Message - Details

• Message type: E = Error

• Message class: L2 - Transfer requirements

• Message number: 129

• Message text: Enter the "Source plant"

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 L2129 - Enter the "Source plant" ?

  The SAP error message L2129, which states "Enter the 'Source plant'," typically occurs in the context of logistics and inventory management, particularly when dealing with stock transfers, purchase orders, or production orders. This error indicates that the system requires a source plant to be specified for the transaction you are trying to execute.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Missing Source Plant: The source plant field is left blank when it is required for the transaction.
  Incorrect Configuration: The system may not be properly configured to recognize the source plant for the specific transaction type.
  User Input Error: The user may have overlooked entering the source plant due to oversight or misunderstanding of the required fields.
  
  Solution:
  To resolve the L2129 error, you can take the following steps:
  
  
  Enter the Source Plant:
  
  Go back to the transaction screen where the error occurred.
  Locate the field for the source plant and enter the appropriate plant code. This is usually a 4-character alphanumeric code that identifies the plant from which goods will be sourced.
  
  
  
  Check Configuration:
  
  If you are consistently encountering this error, check the configuration settings in the SAP system to ensure that the source plant is correctly defined for the relevant transaction types.
  You may need to consult with your SAP administrator or a functional consultant to verify that the plants are set up correctly in the system.
  
  
  
  Review User Input:
  
  Ensure that you are following the correct procedure for entering data in the transaction. Refer to any available documentation or training materials for guidance.
  
  
  
  Consult SAP Help:
  
  If the issue persists, consult the SAP Help documentation or the SAP Community for additional insights or similar cases.
  
  
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to inventory management, such as MB1A (Goods Withdrawal), MB1B (Transfer Posting), or ME21N (Create Purchase Order).
  Plant Configuration: Ensure that the plants involved in the transaction are properly configured in the system, including their status (active/inactive) and any relevant master data.
  User Roles and Authorizations: Verify that the user has the necessary authorizations to perform transactions involving the specified plants.
  
  By following these steps, you should be able to resolve the L2129 error and successfully complete your transaction in SAP.