The system '{0}' is currently under host-based control but one or more remote projects associated with the same system already exist in this workspace. The non-host-based projects must be deleted before any host-based projects can be opened.
Explanation
A connection has been made to a remote system on which
host-based projects are defined. One or more workstation-based projects
already exist in the workspace. Host-based projects and workstation-based
projects associated with the same remote system cannot exist in the
same workspace.
Response
Delete the workstation-based projects. Reconnect to the
remote system.