2852283 - Enabling the use of Resources for Planning in Professional Services Projects

You wish to use the app "Plan Customer Projects" or "Plan Internal Projects" to plan work packages and estimate costs and revenues for team resources, additional resources, and expense.
But when you create a customer or internal project, you receive the follow error message:
"A prerequisite configuration is not set up in your system. Please contact your business configuration expert to perform the configuration steps described in KBA 2852283."

"Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental."

SAP S/4HANA Cloud Public Edition.

Internal Projects, Customer Projects, Resource and Resource Types, Costs, Revenues , KBA , CA-CPD-SS , S/4HANA Public Cloud – Professional Service Projects , How To