Message type: E = Error
Message class:  /SAPAPO/RRP_HEUR -  
Message number: 181
Message text: An error occurred during the determination of the delivery date
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The SAP error message /SAPAPO/RRP_HEUR181 indicates that there was an issue during the determination of the delivery date in the Advanced Planning and Optimization (APO) module, specifically in the context of the heuristic planning process. This error can arise due to various reasons, and understanding the cause is crucial for finding an appropriate solution. Possible Causes: Missing Master Data: The error may occur if there are missing or incomplete master data records, such as material master, location master, or resource master data. Incorrect Planning Parameters: If the planning parameters (like lead times, safety stock levels, etc.) are not set correctly, it can lead to issues in determining delivery dates. Capacity Constraints: If there are capacity constraints on resources or production lines, the system may not be able to determine a feasible delivery date. Scheduling Conflicts: Conflicts in scheduling, such as overlapping production orders or maintenance schedules, can prevent the system from calculating a delivery date. Configuration
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