During PM Order Settlement Characteristic value X does not exist for characteristic WWMKT (Market Segment PF) error is coming.

Good Afternoon Consultants,

During running T-code KO88, I am facing Characteristic value X does not exist for characteristic WWMKT (Market Segment PF) error.

what exactly the error is all about. How it can be solved.

Please let me know asap since business got stuck. Thanks in advance.

Regards

Anil