How To Fix COSE004 - Sequence &, operation &: Not possible to determine control key

SAP Error Message - Details

• Message type: E = Error

• Message class: COSE - Change Production Order

• Message number: 004

• Message text: Sequence &, operation &: Not possible to determine control key

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message COSE004 - Sequence &, operation &: Not possible to determine control key ?

  The SAP error message COSE004 ("Sequence &, operation &: Not possible to determine control key") typically occurs in the context of production order processing or when working with production planning and control (PP) modules. This error indicates that the system is unable to determine the control key for a specific operation in a routing or production order.
  Causes:
  
  Missing Control Key: The control key for the operation in the routing or production order is not defined or is missing.
  Incorrect Routing: The routing assigned to the production order may not have the necessary control keys defined for the operations.
  Configuration Issues: There may be issues with the configuration of the control keys in the system.
  Master Data Issues: The material master or work center may not be set up correctly, leading to the inability to determine the control key.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access certain control keys.
  
  Solutions:
  
  
  Check Routing: Verify that the routing assigned to the production order has the correct control keys defined for each operation. You can do this by navigating to the routing in the SAP system and checking the operations.
  
  
  Define Control Key: If the control key is missing, you may need to define it in the routing or production order. You can do this by editing the routing and ensuring that each operation has a valid control key assigned.
  
  
  Review Work Center: Check the work center associated with the operation to ensure that it is correctly configured and that the control key is defined in the work center settings.
  
  
  Check Material Master: Ensure that the material master data is correctly set up, particularly the production-related views, to ensure that all necessary information is available.
  
  
  Configuration Review: If the issue persists, review the configuration settings for control keys in the SAP system. This may require assistance from a functional consultant or someone with configuration expertise.
  
  
  Authorization Check: Ensure that the user has the necessary authorizations to access and modify the control keys.
  
  
  Related Information:
  
  Control Keys: Control keys in SAP define how operations are processed in production. They determine whether an operation is relevant for costing, scheduling, and whether it can be confirmed.
  Transaction Codes: You may use transaction codes like CA01 (Create Routing), CA02 (Change Routing), and CA03 (Display Routing) to manage routings and check control keys.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message, as there may be specific fixes or updates provided by SAP.
  
  If the problem continues 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 control.