Message type: E = Error
Message class:  UPO_MIG - Message Class for PRA->UOM Migration 
Message number: 103
Message text: Invalid Delivery Network
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The SAP error message UPO_MIG103: Invalid Delivery Network typically occurs in the context of SAP's Advanced Planning and Optimization (APO) or Supply Chain Management (SCM) modules. This error indicates that the system is unable to find a valid delivery network for the specified parameters in the planning process.
Cause: Incorrect Configuration: The delivery network may not be properly configured in the system. This could be due to missing or incorrect entries in the master data. Data Inconsistency: There may be inconsistencies in the data related to the delivery network, such as missing relationships between locations, products, or transportation lanes. Network Not Active: The delivery network might not be active or might not be assigned to the relevant planning area. Planning Area Issues: The planning area being used may not be correctly set up to utilize the delivery network.
Solution: Check Configuration: Verify the configuration of the delivery network in the SAP system. Ensure that all necessary components
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