How To Fix MILL_PC_OB026 - Lowest expansion level reached

SAP Error Message - Details

• Message type: E = Error

• Message class: MILL_PC_OB - Original Batch

• Message number: 026

• Message text: Lowest expansion level reached

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MILL_PC_OB026 - Lowest expansion level reached ?

  The SAP error message MILL_PC_OB026: "Lowest expansion level reached" typically occurs in the context of production planning and control, particularly when dealing with the production order or process order in the SAP system. This error indicates that the system has reached the lowest level of the bill of materials (BOM) or routing structure during the planning or execution process, and it cannot expand further.
  Causes:
  
  BOM Structure Issues: The BOM may not be correctly defined, or there may be missing components at the lowest level.
  Routing Issues: Similar to BOM, the routing may not be properly defined, leading to issues in the production process.
  Incorrect Configuration: The configuration settings for the material or production process may not be set up correctly.
  Data Inconsistencies: There may be inconsistencies in the master data related to materials, BOMs, or routings.
  Planning Parameters: The planning parameters may not be set correctly, leading to issues in the planning run.
  
  Solutions:
  
  Check BOM and Routing: Verify that the BOM and routing for the material in question are correctly defined and complete. Ensure that all components are available and correctly linked.
  Review Material Master Data: Check the material master data for any inconsistencies or missing information that could affect the planning process.
  Analyze Planning Parameters: Review the planning parameters and settings in the configuration to ensure they are appropriate for the production process.
  Use Transaction Codes: Utilize transaction codes like CS03 (Display BOM) and CA03 (Display Routing) to inspect the details of the BOM and routing.
  Check for Updates: Ensure that the system is updated with the latest patches or notes from SAP that may address known issues related to this error.
  Consult SAP Notes: Look for relevant SAP Notes in the SAP Support Portal that may provide additional insights or fixes related to this error message.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MD04 (Stock/Requirements List), CO01 (Create Production Order), and CO02 (Change Production Order) to navigate through the production planning process.
  SAP Documentation: Refer to SAP Help documentation for detailed explanations of BOM and routing structures, as well as best practices for configuration.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, providing insights or solutions from other users' experiences.
  
  If the issue persists after checking the above points, it may be beneficial to involve your SAP support team or consult with an SAP expert for further investigation.