Message type: E = Error
Message class:  NAA - Subsequent settlement (Purchasing) 
Message number: 172
Message text: Business volume data for arrangement &1 is inconsistent (internal error)
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
The business volume data for arrangement &V1& cannot be saved.
INCLUDE ISR_SYSTEMFEHLER OBJECT DOKU ID TX
An error occured in function module &V2&. Business volume data was to
be save for condition record &V3& (internal number), item number &V4&.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message NAA172 indicates that there is an inconsistency in the business volume data for a specific arrangement. This error typically arises in the context of SAP's contract management or leasing solutions, where business volume data is crucial for processing arrangements correctly.
Cause: Data Inconsistency: The primary cause of this error is that the business volume data for the specified arrangement (&1) is not consistent. This could be due to: Missing or incorrect entries in the database. Corrupted data due to system errors or improper data handling. Changes in the underlying data structure that have not been properly updated in the business volume records.
Configuration Issues: Sometimes, the error can stem from incorrect configuration settings in the SAP system related to the business volume management. System Bugs: There may be bugs in the SAP version you are using that lead to this inconsistency.
Solution: Data Validation: Check the business volume data for the arrangement specified in the
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