How To Fix MPE_OAN144 - No operation activity found in OAN &1, version &2

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 144

• Message text: No operation activity found in OAN &1, version &2

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_OAN144 - No operation activity found in OAN &1, version &2 ?

  The SAP error message MPE_OAN144 indicates that there is no operation activity found in the Object Activity Number (OAN) specified, along with the version number. This error typically occurs in the context of maintenance planning and execution, particularly when dealing with maintenance orders or work orders in SAP.
  Cause:
  
  
  Missing Operation Activities: The most common cause of this error is that the operation activities for the specified OAN and version do not exist in the system. This could be due to:
  
  The operation was not created or was deleted.
  The operation is not assigned to the maintenance order or work order.
  The version specified is incorrect or does not have any associated operations.
  
  
  
  Incorrect OAN or Version: The OAN or version number provided in the transaction may be incorrect, leading to the system not finding any associated operation activities.
  
  
  Data Consistency Issues: There may be inconsistencies in the data, such as issues with the configuration or master data related to the maintenance order.
  
  
  Solution:
  
  
  Check OAN and Version: Verify that the OAN and version number you are using are correct. Ensure that you are referencing the right maintenance order or work order.
  
  
  Review Operation Activities: 
  
  Go to the maintenance order or work order in question and check if there are any operation activities assigned.
  If there are no operations, you may need to create them or reassign them as necessary.
  
  
  
  Create or Modify Operations: If the operations are missing, you can create new operation activities in the maintenance order or work order. Ensure that all required fields are filled out correctly.
  
  
  Data Consistency Check: Run any necessary consistency checks in SAP to ensure that there are no underlying data issues. This may involve checking related master data or configuration settings.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling maintenance orders and operations.
  
  
  Contact Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as IW31 (Create Order), IW32 (Change Order), and IW33 (Display Order) to manage maintenance orders effectively.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Authorization: Ensure that you have the necessary authorizations to view and modify maintenance orders and their operations.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.