How To Fix MPE_OAN030 - No segment 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: 030

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

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_OAN030 - No segment type is maintained for operation activity network &1 ?

  The SAP error message MPE_OAN030 indicates that there is no segment type maintained for the operation activity network specified in the error message. This typically occurs in the context of project management or production planning when the system is unable to find the necessary configuration for the operation activity network.
  Cause:
  
  Missing Configuration: The segment type for the operation activity network has not been defined in the system.
  Incorrect Settings: The settings for the operation activity network may be incorrectly configured or not aligned with the project or production order.
  Data Inconsistency: There may be inconsistencies in the master data or configuration settings related to the operation activity network.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Configuration:
  
  Go to the configuration settings for the operation activity network in the SAP system.
  Ensure that the segment type is defined for the operation activity network. This can typically be done in the following path:
  
  SPRO ? Project System ? Structures ? Define Segment Types.
  
  
  Make sure that the segment type is correctly assigned to the operation activity network.
  
  
  
  Maintain Segment Type:
  
  If the segment type is missing, you will need to create or maintain it. This involves defining the segment type and linking it to the relevant operation activity network.
  
  
  
  Check Master Data:
  
  Review the master data associated with the operation activity network to ensure that all necessary fields are filled out correctly and that there are no missing entries.
  
  
  
  Test the Configuration:
  
  After making the necessary changes, test the configuration by trying to create or modify the operation activity network again to see if the error persists.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more detailed guidance on configuring segment types and operation activity networks.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists after checking the configuration and master data, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like CJ20N (Project Builder) or CJI3 (Project Actual Line Items) to analyze the project or operation activity network.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  User Forums: Consider visiting SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify and resolve the cause of the MPE_OAN030 error in your SAP system.