Guaranteed Capacity

What causes this issue?

The amount of physical CPU resources that are reserved for use by the
virtual system. These resources are guaranteed to be available for
consumption by the virtual system (reserved or entitlement).

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.