How To Fix CR105 - Reference indicator set without control key

SAP Error Message - Details

• Message type: E = Error

• Message class: CR - (1,099) Work Center; (100,200) Capacity

• Message number: 105

• Message text: Reference indicator set without control key

What causes this issue?

You can use the reference indicator to control whether a value on the
operation detail screen can be changed or not.
You have set a reference indicator without maintaining a control key
for the indicator. By doing this, you can no longer enter a control key
in the routing. However, each operation in a routing requires a control
key.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CR105 - Reference indicator set without control key ?

  The SAP error message CR105 ("Reference indicator set without control key") typically occurs in the context of production planning and control, particularly when dealing with routing or production orders. This error indicates that a reference indicator has been assigned to a routing or production order, but there is no corresponding control key defined for that reference indicator.
  Cause:
  
  Missing Control Key: The reference indicator is set in the routing or production order, but the control key that should be associated with it is not defined in the system.
  Configuration Issues: The control key may not be properly configured in the system, or the reference indicator may not be linked to a valid control key.
  Data Inconsistencies: There may be inconsistencies in the master data, such as the routing or production order not being properly set up.
  
  Solution:
  
  
  Check Control Key Configuration:
  
  Go to the configuration settings in SAP (Transaction SPRO).
  Navigate to the relevant area for production planning and check the control keys defined under "Routing" or "Production Orders".
  Ensure that the control key associated with the reference indicator is defined and active.
  
  
  
  Assign Control Key:
  
  If the control key is missing, you may need to create a new control key or modify an existing one to include the necessary settings.
  Ensure that the control key is linked to the appropriate reference indicator.
  
  
  
  Review Routing/Production Order:
  
  Check the routing or production order where the error occurred.
  Ensure that the reference indicator is correctly set and that it corresponds to a valid control key.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for specific details on the control keys and reference indicators relevant to your version of SAP.
  
  
  
  Testing:
  
  After making changes, test the routing or production order again to ensure that the error is resolved.
  
  
  
  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 other production-related activities.
  Reference Indicators: These are used to indicate specific characteristics or requirements for operations in a routing or production order.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CA01 (Create Routing), CA02 (Change Routing), and CO01 (Create Production Order) to navigate and troubleshoot effectively.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in production planning.