How To Fix /SAPAPO/SEQ840 - Order &1 with lot size &2 &3 will not be backflushed

/SAPAPO/SEQ840 - Overview

• Message type: E = Error

• Message class: /SAPAPO/SEQ -

• Message number: 840

• Message text: Order &1 with lot size &2 &3 will not be backflushed

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/SEQ840 - Details

• The SAP error message /SAPAPO/SEQ840 indicates that there is an issue with backflushing an order in the Advanced Planning and Optimization (APO) module of SAP. This error typically arises when the system cannot backflush the specified order due to constraints related to lot sizes or other configuration settings.
  
  Cause:
  
  Lot Size Issues: The order may have a lot size that does not meet the requirements for backflushing. For example, if the order's lot size is smaller than the minimum lot size defined in the material master or production version, backflushing will not be allowed.
  Order Status: The order may be in a status that does not permit backflushing (e.g., if it is already completed or closed).
  Material Master Settings: The material master may not be configured correctly for backflushing. This includes settings related to backflush indicators or production versions.
  Production Version: The production version assigned to the order may not be valid or may not