How To Fix MEPO831 - Copying of ATP confirmation lines not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: MEPO - New Purchase Order Dialog

• Message number: 831

• Message text: Copying of ATP confirmation lines not allowed

What causes this issue?

You have attempted to copy delivery schedule lines created by the system
within the framework of an
<DS:GLOS.3FFC8091B6F6D311A4910060B03C3B0E>availability check</>
("available-to-promise"/ATP check). Such schedule lines are identified
by virtue of a missing scheduled quantity and the existence of a
confirmed quantity.

System Response

Schedule lines created by the system on the basis of an availability
check are not copied. Instead, this message is issued for each of these
schedule lines flagged for copying.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MEPO831 - Copying of ATP confirmation lines not allowed ?

  The SAP error message MEPO831, which states "Copying of ATP confirmation lines not allowed," typically occurs in the context of the Advanced Planning and Optimization (APO) module or during the processing of purchase orders and confirmations in SAP. This error indicates that there is an issue with the copying of Available-to-Promise (ATP) confirmation lines, which can be due to several reasons.
  Causes:
  
  
  Incompatible Document Types: The document types involved in the copying process may not be compatible. For example, if you are trying to copy ATP confirmations from one document type to another that does not allow such copying.
  
  
  Missing Configuration: The system may not be configured correctly to allow the copying of ATP confirmation lines. This could be due to settings in the configuration of the materials management (MM) or APO modules.
  
  
  Status of the Document: The document from which you are trying to copy ATP confirmation lines may be in a status that does not allow copying. For example, if the document is already completed or archived.
  
  
  Data Integrity Issues: There may be issues with the data integrity of the ATP confirmation lines, such as missing or incorrect entries that prevent the copying process.
  
  
  Solutions:
  
  
  Check Document Types: Verify that the document types involved in the copying process are compatible. You may need to adjust the document types or use a different approach to achieve the desired outcome.
  
  
  Review Configuration Settings: Check the configuration settings in the SAP system related to ATP and document copying. Ensure that the necessary settings are enabled to allow copying of ATP confirmation lines.
  
  
  Check Document Status: Ensure that the source document is in a status that allows copying. If the document is completed or archived, you may need to revert it to a status that allows further processing.
  
  
  Data Validation: Validate the data in the ATP confirmation lines to ensure there are no missing or incorrect entries. Correct any data issues before attempting to copy again.
  
  
  Consult SAP Notes: Check for any relevant SAP Notes or updates that may address this specific error. SAP frequently releases updates and patches that can resolve known issues.
  
  
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance. They can provide more specific guidance based on your system configuration and the context of the error.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME21N (Create Purchase Order), ME22N (Change Purchase Order), and others that may be involved in the process.
  Documentation: Review SAP documentation related to ATP, purchase orders, and the specific modules you are working with to gain a better understanding of the processes involved.
  User Forums: Engage with SAP user forums and communities where similar issues may have been discussed, and solutions shared by other users.
  
  By following these steps, you should be able to identify the cause of the MEPO831 error and implement a suitable solution.