How To Fix /SAPAPO/PDEM323 - Customer-facing location for prod. &1 (order &2 item &3) not found by ATP

/SAPAPO/PDEM323 - Overview

• Message type: E = Error

• Message class: /SAPAPO/PDEM -

• Message number: 323

• Message text: Customer-facing location for prod. &1 (order &2 item &3) not found by ATP

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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/SAPAPO/PDEM323 - Details

• The SAP error message /SAPAPO/PDEM323 indicates that the system could not find a customer-facing location for a specific product and order item during the Available-to-Promise (ATP) check. This typically occurs in the context of Advanced Planning and Optimization (APO) in SAP, particularly when dealing with order fulfillment and inventory management.
  
  Cause:
  
  Missing Location Data: The customer-facing location (such as a distribution center or warehouse) for the specified product is not defined in the system.
  Incorrect Configuration: The configuration for the product in the APO system may not be set up correctly, leading to the inability to find the location.
  Master Data Issues: There may be issues with the master data, such as missing or incorrect entries for the product, location, or customer.
  ATP Settings: The ATP settings for the product may not include the necessary locations or may not be configured to check the correct locations.
  Product Availability: The product may not be available in the