How To Fix MPE_OAN029 - No type is maintained for operation activity network &1

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 029

• Message text: No type is maintained for operation activity network &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_OAN029 - No type is maintained for operation activity network &1 ?

  The SAP error message MPE_OAN029 indicates that there is no type maintained for the operation activity in the network specified by the identifier &1. This error typically occurs in the context of project management or production planning when the system is unable to find the necessary configuration for the operation type in the network.
  Cause:
  
  Missing Configuration: The operation type for the activity in the network is not defined in the system. This could be due to a missing entry in the configuration settings.
  Incorrect Network Type: The network type being used may not have the required operation types defined.
  Data Inconsistency: There may be inconsistencies in the data related to the network or the operation types.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the configuration settings for the operation types in the relevant module (e.g., Project System, Production Planning).
  Ensure that the operation type you are trying to use is defined and correctly configured.
  
  
  
  Maintain Operation Types:
  
  Use transaction code OPR1 (or the relevant transaction for your SAP version) to maintain operation types.
  Ensure that the operation type is assigned to the correct network type.
  
  
  
  Review Network Settings:
  
  Check the network settings to ensure that the correct type is assigned to the network.
  Use transaction code CN21 to display or change the network and verify the settings.
  
  
  
  Data Consistency Check:
  
  Run consistency checks on the network and related objects to identify any discrepancies.
  Use transaction codes like CNO1 or CNO2 to check for inconsistencies in the network.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific details on maintaining operation types and networks.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  CN21: Create Network
  CN22: Change Network
  OPR1: Maintain Operation Types
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to make changes to the network and operation types.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in the relevant module.