Clients encounter the 404 Not Found error after signing in to the B2CORE UI

Troubleshooting 404 Not Found errors in the B2CORE UI caused by menu visibility, verification level, or client type restrictions

Problem

After signing in to the B2CORE UI and completing 2FA (if enabled), a client encounters the 404 Not Found error and sees a blank page.

Possible reasons

This issue may occur if the client doesn't have permissions to view the main menu due to restrictions based on verification level or client type.

Solution

To check and update the main menu visibility settings:

1

In the Back Office, navigate to Promotion > Menu.

2

Ensure that the toggle in the Visible column is enabled for the General row. If disabled, clients will remain stuck on the Sign In page after entering their credentials.

The main menu visibility option

3

Click the Edit button in the General row to open the details.

4

Check the Verification level allowance and Client type allowance lists. Make sure the client’s verification level and client type are included in those lists; otherwise, the main menu won't be displayed to that client.

Verification level and client type restrictions for the main menu

5

Click Save to apply the changes.

6

Click the eye icon located in the General row to view the menu tree.

The menu tree

7

Verify that the Visible toggle is enabled for all menu items that you want to display in the main menu.

8

For each menu item, click the Edit button and check the Verification level allowance and Client type allowance lists. Adjust them if necessary.

The Visible toggle must be enabled for the General row and all required menu items. In addition, the Verification level allowance and Client type allowance lists for both the General row and menu items must be properly configured to ensure that clients with the appropriate verification levels and client types can access the menu.