How To Fix MPE_INSTALLATION_MSG081 - The networks of a nested major assembly are not connected by precedence.

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_INSTALLATION_MSG -

• Message number: 081

• Message text: The networks of a nested major assembly are not connected by precedence.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_INSTALLATION_MSG081 - The networks of a nested major assembly are not connected by precedence. ?

  The SAP error message MPE_INSTALLATION_MSG081 indicates that there is an issue with the network connections of a nested major assembly in the context of production planning or assembly processes. This error typically arises when the networks (or operations) of a nested assembly are not properly linked or sequenced, which can prevent the system from processing the assembly correctly.
  Cause:
  
  Improper Network Configuration: The networks of the nested major assembly may not be configured correctly, leading to a lack of precedence relationships between operations.
  Missing Dependencies: There may be missing dependencies or links between the operations that are required for the assembly process.
  Incorrect Assembly Structure: The structure of the assembly might not reflect the actual production process, leading to disconnections in the network.
  Data Integrity Issues: There could be data integrity issues in the master data related to the assembly or its components.
  
  Solution:
  
  Check Network Configuration: Review the network configuration for the nested major assembly. Ensure that all operations are correctly defined and that precedence relationships are established.
  Establish Precedence Relationships: If there are missing links, establish the necessary precedence relationships between the operations in the assembly.
  Review Assembly Structure: Verify that the assembly structure accurately represents the production process. Make adjustments as necessary to ensure that all components and operations are correctly linked.
  Data Validation: Perform a data validation check on the master data related to the assembly. Ensure that all relevant data is complete and accurate.
  Use Transaction Codes: Utilize relevant transaction codes (like C223 for network planning) to analyze and correct the network structure.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on configuring networks and assemblies.
  
  Related Information:
  
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may resolve the issue.
  Transaction Codes: Familiarize yourself with transaction codes related to production planning and assembly processing, such as C223 (Change Network) or C220 (Display Network).
  Training and Support: If the issue persists, consider reaching out to SAP support or consulting with a professional who specializes in SAP production planning.
  
  By following these steps, you should be able to identify and resolve the issue causing the error message MPE_INSTALLATION_MSG081.