Look for a few of these common problems: Make sure the proper login and password are being used for the proper database; Verify that the recommended browser is being used (Edge 138.0.3351.83 - 142.0.3595.80, Firefox 140.0.4 - 143.0.4, Chrome 139.0.7258.31 - 141.0.7390.77, and Safari on MacOS 15.5 - 26.0). In either case, the browser must be JavaScript-enabled.