How To Fix TU201 - Function not possible - no changeable due dates exist

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 201

• Message text: Function not possible - no changeable due dates exist

What causes this issue?

The function you have chosen cannot be executed; after checking the
budget billing plan, the system established that no modifiable due
dates exist. Possible reasons for this are as follows:
Due dates have been transferred the installment plan
The due dates are in the past
No more open due amounts exist
Partially paid due amounts exist
All requests have already been printed
The budget billing plan has been deactivated

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 TU201 - Function not possible - no changeable due dates exist ?

  The SAP error message TU201 ("Function not possible - no changeable due dates exist") typically occurs in the context of transportation management or logistics when trying to perform an operation that requires changeable due dates, but none are available for the selected object (like a transportation order, delivery, etc.).
  Cause:
  
  
  No Changeable Due Dates: The primary reason for this error is that the system does not have any due dates that can be modified for the selected document. This can happen if:
  
  The due dates have already been finalized or locked.
  The document is in a status that does not allow changes.
  The due dates are set based on certain conditions that do not permit changes.
  
  
  
  Document Status: The status of the document may not allow for changes. For example, if the document is already confirmed or has been processed in a way that locks its due dates.
  
  
  Configuration Issues: There may be configuration settings in the SAP system that restrict changes to due dates under certain conditions.
  
  
  Solution:
  
  
  Check Document Status: Review the status of the document you are trying to modify. If it is in a status that does not allow changes, you may need to revert it to a previous status or create a new document.
  
  
  Review Due Dates: Check the due dates associated with the document. If they are set to be non-changeable, you may need to adjust the configuration or business process that governs these dates.
  
  
  Consult with SAP Support: If you are unable to determine the cause or if the issue persists, it may be beneficial to consult with your SAP support team or refer to SAP Notes for any known issues or patches related to this error.
  
  
  Configuration Review: If you have access to the configuration settings, review the settings related to transportation management and due date handling to ensure they align with your business processes.
  
  
  User Permissions: Ensure that the user attempting to make the changes has the necessary permissions to modify due dates.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific notes related to error TU201. SAP frequently updates its knowledge base with solutions to common issues.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as:
  
  VT01N: Create Transportation Order
  VT02N: Change Transportation Order
  VT03N: Display Transportation Order
  
  
  Documentation: Review SAP documentation related to transportation management and due date handling for more insights into how these processes work.
  
  By following these steps, you should be able to identify the cause of the TU201 error and take appropriate action to resolve it.