How To Fix /SAPAPO/PDEM818 - Start of SD Demand data copy

/SAPAPO/PDEM818 - Overview

• Message type: E = Error

• Message class: /SAPAPO/PDEM -

• Message number: 818

• Message text: Start of SD Demand data copy

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.

Unfortunately, there isn't any extra information in this error notice.

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/SAPAPO/PDEM818 - Details

• The SAP error message /SAPAPO/PDEM818 typically occurs in the context of the SAP Advanced Planning and Optimization (APO) module, specifically during the process of copying Sales and Distribution (SD) demand data into the APO system. This error can arise due to various reasons, and understanding the cause is crucial for finding an appropriate solution.
  
  Cause:
  
  Data Inconsistencies: There may be inconsistencies or missing data in the source system (SAP ERP) that prevent the successful copying of demand data.
  
  Configuration Issues: Incorrect configuration settings in the APO system or in the integration between SAP ERP and APO can lead to this error.
  Authorization Issues: The user executing the data copy may not have the necessary authorizations to perform the operation.
  Technical Issues: There could be technical problems such as system performance issues, network problems, or issues with the background job that is responsible for the data transfer.
  Missing Master Data: Required master data (like material master, customer