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

MEPO831 - Overview

• 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