Message type: E = Error
Message class:  HR_FM_BUDGET_PD - HR: Text for Funds Management Budget Period Integration 
Message number: 023
Message text: ALE receiver determination failed, receiver not unique
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The SAP error message HR_FM_BUDGET_PD023 indicates that there is an issue with the ALE (Application Link Enabling) receiver determination process. Specifically, it means that the system is unable to determine a unique receiver for the message being processed, which can occur in various scenarios involving data distribution between different SAP systems.
Cause: Multiple Receivers: The most common cause of this error is that there are multiple receivers defined for the same message type in the ALE configuration. When the system tries to determine which receiver to use, it finds more than one option, leading to ambiguity. Incorrect Configuration: There may be an issue with the configuration of the ALE distribution model, such as missing or incorrect entries in the partner profiles or distribution model. Message Type Issues: The message type being processed may not be correctly defined or may not have a unique receiver assigned in the ALE settings.
Solution: Check ALE Configuration: Go to transaction WE20
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