How To Fix MPE_OAN057 - Maintain a component assignment quantity greater than zero

MPE_OAN057 - Overview

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 057

• Message text: Maintain a component assignment quantity greater than zero

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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MPE_OAN057 - Details

• The SAP error message MPE_OAN057, which states "Maintain a component assignment quantity greater than zero," typically occurs in the context of production planning or material management when you are trying to assign components to a production order or a bill of materials (BOM) but have not specified a quantity greater than zero for one or more components.
  
  Cause:
  
  Zero Quantity Assignment: The most common cause of this error is that you are attempting to assign a component to a production order or BOM with a quantity of zero or not specifying a quantity at all.
  Incorrect Data Entry: There may be a mistake in data entry where the quantity was inadvertently left blank or set to zero.
  
  Configuration Issues: There could be configuration settings in the system that enforce certain rules regarding component assignments.
  
  
  Solution:
  
  Check Component Assignment: Go to the relevant transaction (e.g., CO01 for production orders or CS01 for BOM creation) and check the