How To Fix CO766 - Backflush: Control key & does not allow confirmation

CO766 - Overview

• Message type: E = Error

• Message class: CO - PPC order processing messages

• Message number: 766

• Message text: Backflush: Control key & does not allow confirmation

What causes this issue?

You have designated a component for backflushing that is assigned to an
operation/phase whose control key does not allow confirmation.
If you want to carry out backflushing then confirmation must also be
allowed.

How to fix this error?

Choose a control key that allows confirmation in the operation to which
the component is assigned or delete the indicator for backflushing.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CO766 - Backflush: Control key & does not allow confirmation ?

  The SAP error message CO766 indicates that the control key used for backflushing does not allow for confirmation. This typically occurs in the context of production orders or process orders when trying to confirm the backflush of components.
  
  Cause:
  The error can be caused by several factors, including:
  
  
  Control Key Configuration: The control key assigned to the production order or process order may not be configured to allow confirmations. Control keys determine how operations are processed, including whether backflushing is permitted.
  
  
  Order Type Settings: The order type associated with the production order may have settings that restrict confirmations or backflushing.
  
  
  Material Master Settings: The material master record for the components may have settings that prevent backflushing.
  
  
  Status of the Order: The production order may be in a status that does not allow confirmations (e.g., if it is already completed or closed).
  
  
  
  Solution:
  To resolve the CO766 error, you can take the following steps:
  
  
  Check Control Key:
  
  Go to the transaction