How To Fix MPE_OAN072 - OAN element &1 references an unknown operation acitivity

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 072

• Message text: OAN element &1 references an unknown operation acitivity

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 MPE_OAN072 - OAN element &1 references an unknown operation acitivity ?

  The SAP error message MPE_OAN072 indicates that there is an issue with an Operational Activity Node (OAN) element in your system. Specifically, it states that the OAN element references an unknown operation activity. This typically occurs in the context of SAP's Operational Activity Management, which is part of the SAP Plant Maintenance (PM) or SAP Project System (PS) modules.
  
  Cause:
  The error can be caused by several factors, including:
  
  
  Missing or Incorrect Configuration: The operation activity that the OAN element is trying to reference may not exist in the system, or it may have been deleted or incorrectly configured.
  
  
  Data Inconsistency: There may be inconsistencies in the data, such as missing entries in the relevant tables that link the OAN elements to their corresponding operation activities.
  
  
  Transport Issues: If the configuration or data was transported from one system to another (e.g., from development to production), there may have been issues during the transport process that