How To Fix MPE_OAN003 - There are no operation activities in the network

MPE_OAN003 - Overview

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 003

• Message text: There are no operation activities in the network

Self-Explanatory Message

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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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MPE_OAN003 - Details

• The SAP error message MPE_OAN003 ("There are no operation activities in the network") typically occurs in the context of project management or production planning when you are trying to access or process a network that does not have any associated operation activities. This can happen in various scenarios, such as when you are trying to display or execute a network in the Project System (PS) or Production Planning (PP) modules.
  
  Cause:
  
  No Operations Defined: The most common cause is that the network you are trying to access does not have any operations defined. This can happen if the network was created but no activities were added to it.
  Incorrect Network Selection: You may be trying to access a network that is not relevant or does not have any activities linked to it.
  Data Deletion: Operations may have been deleted or not saved properly during the creation of the network.
  Authorization Issues: In some cases, authorization