How To Fix ARUN_MAIN121 - Production Order &1, item &2 is completely unassigned

ARUN_MAIN121 - Overview

• Message type: E = Error

• Message class: ARUN_MAIN -

• Message number: 121

• Message text: Production Order &1, item &2 is completely unassigned

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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Smart SAP Assistant

• What is the cause and solution for SAP error message ARUN_MAIN121 - Production Order &1, item &2 is completely unassigned ?

  The SAP error message ARUN_MAIN121 indicates that a production order item is completely unassigned, meaning that there are no components or resources assigned to that specific item in the production order. This can occur for various reasons, such as incorrect configuration, missing assignments, or issues during the planning phase.
  
  Cause:
  
  Missing Component Assignment: The production order item does not have any components assigned to it.
  Incorrect Planning: The planning process may not have generated the necessary assignments for the production order.
  Changes in BOM: If there have been changes to the Bill of Materials (BOM) after the production order was created, it may lead to unassigned items.
  Order Deletion or Changes: If the production order was modified or deleted and then recreated, it might not have the necessary assignments.
  
  Configuration Issues: There may be issues with the configuration of the production order or the material master data.
  
  
  Solution:
  
  Check Component Assignment: Go to the production order and check