Message type: E = Error
Message class:  FI_E - Message Class for FM English Developers 
Message number: 187
Message text: US SGL determination factor &1 is in SAP name space, use 'XYZ'
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The SAP error message FI_E187 indicates an issue related to the determination of the General Ledger (G/L) account in the Financial Accounting (FI) module. Specifically, it suggests that the system is trying to use a determination factor that is defined in the SAP namespace, which is not allowed. Instead, it prompts the user to use a different determination factor, indicated as 'XYZ'.
Cause: Namespace Conflict: The error arises because the determination factor being used is part of the SAP namespace, which is reserved for standard SAP objects. Custom objects or configurations should not use these reserved names. Configuration Issue: There may be a misconfiguration in the G/L account determination settings, where a standard SAP determination factor is incorrectly referenced. Custom Development: If there has been custom development or modifications in the system, it might inadvertently reference a standard SAP determination factor.
Solution: Identify the Determination Factor: Check the configuration settings in the Financial Accounting module to
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