How To Fix /SAPAPO/SEQ174 - The line network contains no subordinate lines

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/SEQ -

• Message number: 174

• Message text: The line network contains no subordinate lines

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/SEQ174 - The line network contains no subordinate lines ?

  The SAP error message /SAPAPO/SEQ174 indicates that the line network you are working with does not contain any subordinate lines. This error typically occurs in the context of Advanced Planning and Optimization (APO) when you are trying to perform operations that require a valid line network structure.
  Cause:
  
  Missing Subordinate Lines: The line network you are trying to use does not have any subordinate lines defined. This could be due to incorrect configuration or data entry.
  Incorrect Line Network Configuration: The line network may not have been set up properly in the system, leading to a lack of subordinate lines.
  Data Inconsistency: There may be inconsistencies in the master data or configuration that prevent the system from recognizing subordinate lines.
  
  Solution:
  
  
  Check Line Network Configuration:
  
  Go to the transaction code /SAPAPO/LC01 (or the relevant transaction for line network maintenance).
  Verify that the line network is correctly configured and that subordinate lines are defined.
  Ensure that the subordinate lines are assigned to the correct parent line.
  
  
  
  Define Subordinate Lines:
  
  If subordinate lines are missing, you will need to create or assign them. This can be done in the line network configuration settings.
  Make sure that the subordinate lines are active and properly linked to the parent line.
  
  
  
  Review Master Data:
  
  Check the master data related to the line network, such as production resources/tools (PRT) and their assignments.
  Ensure that all necessary data is correctly maintained and that there are no missing entries.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on configuring line networks and subordinate lines.
  
  
  
  Testing:
  
  After making changes, test the line network again to ensure that the error does not reoccur.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/LC01 for line network maintenance and /SAPAPO/LC02 for displaying line networks.
  SAP Notes: Check for any SAP Notes related to this error message for additional troubleshooting steps or patches.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to make changes to the line network configuration.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a consultant who specializes in SAP APO for further assistance.