Message type: E = Error
Message class:  NAA - Subsequent settlement (Purchasing) 
Message number: 147
Message text: No settlement documents are needed (save the arrangement)
As the condition records were deleted, no settlement accounting is
required for arrangement &V1&.
There are no provisions for accrued income to be dissolved, as the
conditions here are either not relevant, or there are no open
provisions for accrued income.
The system checks whether settlement accounting is requred for the
arrangement and finds that it is not.
Save the arrangement without changing it.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message NAA147 "No settlement documents are needed (save the arrangement)" typically occurs in the context of settlement processes in SAP, particularly when dealing with internal orders, projects, or other financial arrangements. This message indicates that the system has determined that there are no settlement documents that need to be processed for the specified arrangement.
Cause: No Relevant Data: There may be no actual costs or revenues that need to be settled for the arrangement. This can happen if no transactions have been posted to the order or project. Settlement Rules: The settlement rules defined for the order or project may not require any settlement documents to be generated. Status of the Order/Project: The order or project may be in a status that does not allow for settlement, such as being closed or completed without any costs. Settlement Period: The settlement period may not be open, or the arrangement may not be eligible
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