How To Fix U9106 - Material &1 plant &2 production version &3: Control key error

SAP Error Message - Details

• Message type: E = Error

• Message class: U9 - Message Class for Output in Application Log

• Message number: 106

• Message text: Material &1 plant &2 production version &3: Control key error

What causes this issue?

Operation or phase &V4& has and invalid 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?

The indicators 'Scheduling' and 'Capacity Requirements' must be set in
the control key.

Error message extract from SAP system. Copyright SAP SE.