Define resource type in Customizing

What causes this issue?

When you try to transfer data to SAP ERP, the system displays an error
if resource types are not defined in Customizing.

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?

Provide resource type in Customizing for SAP Commercial Project
Management -> Project Cost and Revenue Planning -> Define Resource
Types.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.