How To Fix MPE_OAN317 - The assigned quantity at operation activity &1 must be greater than zero

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 317

• Message text: The assigned quantity at operation activity &1 must be 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_OAN317 - The assigned quantity at operation activity &1 must be greater than zero ?

  The SAP error message MPE_OAN317 indicates that there is an issue with the assigned quantity at an operation activity in a production order or maintenance order. Specifically, it states that the quantity assigned must be greater than zero, meaning that the system expects a positive quantity for the operation to proceed.
  Cause:
  
  Zero Quantity Assignment: The most common cause of this error is that the quantity assigned to a specific operation in the order is set to zero or is not defined.
  Incorrect Configuration: There may be an issue with the configuration of the operation or the routing that leads to the assignment being incorrectly set.
  Data Entry Error: During the creation or modification of the order, a user may have inadvertently left the quantity field blank or entered zero.
  Master Data Issues: Problems with the master data related to materials, resources, or operations can also lead to this error.
  
  Solution:
  
  
  Check Operation Assignment: Go to the production or maintenance order and check the operation details. Ensure that the assigned quantity is greater than zero.
  
  Navigate to the order in transaction code CO02 (for production orders) or IW32 (for maintenance orders).
  Review the operation details and update the quantity as necessary.
  
  
  
  Review Routing and Master Data: Ensure that the routing and master data for the operation are correctly configured. This includes checking:
  
  The routing assigned to the order.
  The work center and its capacity.
  The material master data for any discrepancies.
  
  
  
  Re-enter Data: If the quantity was mistakenly set to zero, re-enter the correct quantity and save the changes.
  
  
  Consult Documentation: If the issue persists, consult SAP documentation or your organization's SAP support team for further troubleshooting steps.
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  CO02: Change Production Order
  IW32: Change Maintenance Order
  CO01: Create Production Order
  IW31: Create Maintenance Order
  
  
  
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address the issue.
  
  
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to make changes to the order and its operations.
  
  
  By following these steps, you should be able to resolve the MPE_OAN317 error and ensure that the assigned quantity is correctly set for the operation activity.