How To Fix MILL_OC138 - Selection is not possible for order combination

SAP Error Message - Details

• Message type: E = Error

• Message class: MILL_OC - Messages for order combination

• Message number: 138

• Message text: Selection is not possible for order combination

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MILL_OC138 - Selection is not possible for order combination ?

  The SAP error message "MILL_OC138 Selection is not possible for order combination" typically occurs in the context of production planning and order management, particularly in the SAP Mill Products industry solution. This error indicates that the system cannot process the selected combination of production orders or process orders due to certain constraints or conditions not being met.
  Causes:
  
  Order Combination Issues: The selected orders may not be compatible for combination due to differing characteristics, such as material types, production versions, or order statuses.
  Missing Master Data: Required master data (like routing, BOM, or work center) may be incomplete or incorrect, preventing the system from processing the orders together.
  Capacity Constraints: The production resources (machines, work centers) may not have the capacity to handle the combined orders.
  Order Status: One or more of the orders may be in a status that does not allow for combination (e.g., completed, closed, or canceled).
  Configuration Settings: System configuration settings may restrict the combination of certain order types or production processes.
  
  Solutions:
  
  Check Order Compatibility: Review the selected orders to ensure they can be combined. Look for differences in material, production versions, or other characteristics.
  Review Master Data: Ensure that all relevant master data (BOM, routing, work centers) is correctly set up and complete for the orders in question.
  Capacity Planning: Check the capacity of the work centers involved. If necessary, adjust the production schedule or allocate additional resources.
  Order Status Verification: Verify the status of each order. If any order is in a non-combinable status, consider changing its status or selecting different orders.
  Configuration Review: Consult with your SAP configuration team to review any settings that may restrict order combinations. Adjust settings if necessary to allow for the desired combinations.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as COHV (Mass Processing of Production Orders) or CO02 (Change Production Order) to manage orders effectively.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Support may have specific recommendations or fixes.
  Documentation: Review SAP documentation related to production order management and the Mill Products industry solution for best practices and guidelines.
  
  If the issue persists after checking these areas, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in production planning and order management.