3108513 - CR091 error when inputting activity type into Work Center

CR091 error happens when inputting activity type into Work Center.

"No activity types assigned to cost center &, controlling area & on &"

SAP S/4HANA Cloud Public Edition

Input Activity Type in app Change Work Center.

The link between cost center and activity type is not built up.

Please create plan cost rate with app Manage Cost Rates - Plan.

activity type, cost center, assignment, CR 091, cost rate. , KBA , CO-OM-ACT-2CL , Activity Types (Public Cloud) , PP-PI-MD-RSC , Resources , Problem