Recently The Dynamics Explorer encountered an issue when a user was attempting to login to Dynamics GP. After entering their user name and password they were receiving the error below which prevented access: Your login failed because of a database error. Contact your system administrator for assistance. Learn more at:
thedynamicsexplorer.com/2019/05/15/dynamics-gp-your-login-failed-because-of-a-database-error-contact-your-system-administrator-for-assistance/