How To Fix /SAPAPO/PDEM866 - Order date entered in line &1 is not correct

/SAPAPO/PDEM866 - Overview

• Message type: E = Error

• Message class: /SAPAPO/PDEM -

• Message number: 866

• Message text: Order date entered in line &1 is not correct

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/PDEM866 - Details

• The SAP error message /SAPAPO/PDEM866 Order date entered in line &1 is not correct typically occurs in the context of Advanced Planning and Optimization (APO) when there is an issue with the order date specified in a planning or order entry process. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  Invalid Date Format: The date entered may not conform to the expected format (e.g., DD/MM/YYYY vs. MM/DD/YYYY).
  Date Out of Range: The order date may fall outside the permissible range defined in the system settings (e.g., past dates, future dates beyond a certain limit).
  Planning Horizon: The order date may be outside the planning horizon set in the APO system.
  Calendar Settings: The date may not align with the defined working days or holidays in the calendar settings.
  Data Entry Errors: There may be typographical errors in the date entry.
  
  Solutions:
  
  Check Date Format: Ensure that the date is entered in