Message type: E = Error
Message class: /SAPAPO/RRP_HEUR -
Message number: 403
Message text: A supplier does not exist for the product location
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The SAP error message /SAPAPO/RRP_HEUR403 indicates that there is no supplier defined for a specific product at a given location in the Advanced Planning and Optimization (APO) module. This error typically arises during planning activities, such as when running heuristics or planning runs that require supplier information for procurement.
Cause: Missing Supplier Data: The most common cause is that the supplier data for the product-location combination is not maintained in the system. Incorrect Master Data: The product master or location master may not have the necessary supplier information.
Configuration Issues: There may be configuration issues in the APO system that prevent the system from recognizing the supplier for the product. Data Synchronization Issues: If the data is not synchronized between the ERP and APO systems, it may lead to missing supplier information.
Solution: Maintain Supplier Data: Go to the product master data in APO and ensure that the supplier is assigned to the product at the specific location. You
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