How To Fix TU121 - Change not possible since MR order creation took place for schedule rec.

SAP Error Message - Details

• Message type: E = Error

• Message class: TU - Billing/Scheduling/Budget Billing

• Message number: 121

• Message text: Change not possible since MR order creation took place for schedule rec.

What causes this issue?

This schedule record cannot be changed because meter reading order
creation has already been run for this schedule record.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TU121 - Change not possible since MR order creation took place for schedule rec. ?

  The SAP error message TU121 indicates that a change to a scheduling agreement or a related document is not possible because a Material Requirements (MR) order has already been created for the schedule line in question. This typically occurs in the context of production planning and scheduling agreements in SAP.
  Cause:
  The error arises when:
  
  A scheduling agreement line item has been processed to the point where a Material Requirements Planning (MRP) order has been created.
  The system prevents changes to the scheduling agreement or related documents to maintain data integrity and avoid inconsistencies in the planning process.
  
  Solution:
  To resolve this error, you can consider the following steps:
  
  
  Check the Status of the Order: Verify if the MR order is still open or if it has been completed. If it is completed, you may need to create a new scheduling agreement or modify the existing one in a way that does not conflict with the MR order.
  
  
  Cancel or Delete the MR Order: If the MR order is not needed, you may cancel or delete it. This action should be taken with caution, as it may affect other processes. Ensure that you have the necessary authorizations and that it is acceptable to remove the order.
  
  
  Consult with Stakeholders: If you are unsure about the implications of changing the scheduling agreement or deleting the MR order, consult with relevant stakeholders (e.g., production planning, procurement) to understand the impact of these changes.
  
  
  Use Transaction Codes: You can use transaction codes like ME32K (Change Scheduling Agreement) to check the details of the scheduling agreement and see if any changes can be made without affecting the MR order.
  
  
  Review Configuration Settings: In some cases, the configuration settings in SAP may need to be reviewed to ensure that they align with your business processes. This may involve working with your SAP Basis or configuration team.
  
  
  Documentation and Support: If the issue persists, refer to SAP documentation or reach out to SAP support for further assistance. They may provide insights specific to your version of SAP or any known issues.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME31K (Create Scheduling Agreement), ME32K (Change Scheduling Agreement), and ME33K (Display Scheduling Agreement).
  MRP Process: Understanding the MRP process and how it interacts with scheduling agreements can help in troubleshooting similar issues in the future.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional context or solutions.
  
  By following these steps, you should be able to address the TU121 error and proceed with your scheduling agreement changes as needed.