A user with the Global Edit role who adds personnel to an existing eGC1 may then not be able to delete the added person.
Access the eGC1 from the Approvals tab, and then give yourself Read/Write access to the application on the Contact & Access page. Close out of the eGC1, and switch over to the eGC1 Forms tab. Open the eGC1 from there and re-try deleting the person.
Providing a fix to the Global Role will be considered for a future SAGE project.