How To Fix C2287 - Backflush: Control key & should allow confirmation

SAP Error Message - Details

• Message type: E = Error

• Message class: C2 - Other messages production orders

• Message number: 287

• Message text: Backflush: Control key & should allow confirmation

What causes this issue?

You have marked component &V1& as a backflush component. You want to
assign it to operation &V2& whose control key &V3& does not
permit confirmation. Backflush components are not proposed during
goods issue for the order.

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?

Select a control key that permits confirmation for the operation to
which the component is assigned, or delete the "Backflush" indicator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C2287 - Backflush: Control key & should allow confirmation ?

  The SAP error message C2287, which states "Backflush: Control key & should allow confirmation," typically occurs during the backflushing process in production or inventory management. This error indicates that the control key assigned to the operation or production order does not permit confirmation, which is necessary for backflushing materials.
  Cause:
  
  Control Key Configuration: The control key assigned to the operation in the routing or production order may not be configured to allow confirmations. Control keys determine how operations are processed in SAP, including whether confirmations can be recorded.
  Order Type Settings: The order type associated with the production order may have settings that restrict confirmations.
  User Authorizations: The user may not have the necessary authorizations to perform confirmations for the specified control key or order type.
  
  Solution:
  
  
  Check Control Key Settings:
  
  Go to the transaction code OPKP to check the control key configuration.
  Ensure that the control key assigned to the operation allows for confirmations. Look for settings related to "Confirmation" and ensure they are enabled.
  
  
  
  Review Order Type Configuration:
  
  Use transaction code OPL8 to check the settings for the order type.
  Ensure that the order type allows for confirmations and that the relevant control key is correctly assigned.
  
  
  
  Adjust User Authorizations:
  
  If the control key and order type settings are correct, check the user roles and authorizations.
  Ensure that the user has the necessary permissions to perform confirmations for the specific control key and order type.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or consult with your SAP Basis or functional team for any specific configurations that may be affecting the control key settings.
  
  
  
  Testing:
  
  After making any changes, perform a test backflush to ensure that the error is resolved.
  
  
  
  Related Information:
  
  Control Keys: Control keys are defined in the routing and determine how operations are processed, including whether they can be confirmed, whether they are relevant for costing, and other operational parameters.
  Backflushing: Backflushing is a process in SAP where materials are automatically deducted from inventory when a production order is confirmed, rather than being issued manually.
  Transaction Codes:
  
  CO01 - Create Production Order
  CO02 - Change Production Order
  CO15 - Backflush Confirmation
  OPKP - Control Key Configuration
  OPL8 - Order Type Configuration
  
  
  
  If the issue persists after checking these areas, it may be beneficial to consult with your SAP support team or refer to SAP Notes for any known issues related to this error message.