Recently The Dynamics
thedynamicsexplorer.com/2019/05/15/dynamics-gp-your-login-failed-because-of-a-database-error-contact-your-system-administrator-for-assistance/
Dynamics GP – Your login failed because of a database error. Contact your system administrator for assistance – The Dynamics Explorer
Archived post from 2019. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.