Message type: E = Error
Message class:  UA_INV_STL_CONF - Messages for Package UA_INV_STL_CONF 
Message number: 004
Message text: Receiver method for sender rule &1 and receiver rule &2 not found
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The SAP error message UA_INV_STL_CONF004 indicates that there is an issue with the configuration of the sender and receiver rules in the context of a process that involves the use of the SAP Process Integration (PI) or Process Orchestration (PO) system. Specifically, it means that the system cannot find a valid receiver method for the specified sender and receiver rules.
Cause: Missing Configuration: The most common cause of this error is that the receiver determination or interface mapping is not properly configured in the Integration Directory. Incorrect Sender/Receiver Rules: The sender and receiver rules may not be correctly defined or may not match the expected criteria for the message being processed. Transport Issues: If the configuration was recently transported from one system to another (e.g., from development to production), there may be missing or incomplete configurations. Version Mismatch: There may be a mismatch between the versions of the sender and receiver interfaces, leading to the
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