Error link when clicked to edit and others

I tried to log in to Omeka and I managed to log in but I have a problem when I want to edit, post and so on, then I look at log_errors and this is the contents

[15-Jan-2020 05:53:13 UTC] Omeka fatal error: The Mysqli extension is required for this adapter but the extension is not loaded.

Confirm that the information in your db.ini file is correct.
[15-Jan-2020 06:39:32 UTC] Omeka fatal error: The Mysqli extension is required for this adapter but the extension is not loaded.

Confirm that the information in your db.ini file is correct.
[15-Jan-2020 06:39:33 UTC] Omeka fatal error: The Mysqli extension is required for this adapter but the extension is not loaded.

Confirm that the information in your db.ini file is correct.
[15-Jan-2020 06:39:39 UTC] Omeka fatal error: The Mysqli extension is required for this adapter but the extension is not loaded.

Confirm that the information in your db.ini file is correct.
[21-Jan-2020 04:47:59 UTC] Omeka fatal error: Your Omeka database configuration file has not been set up properly. Please edit the configuration and reload this page.
[21-Jan-2020 04:47:59 UTC] Omeka fatal error: Your Omeka database configuration file has not been set up properly. Please edit the configuration and reload this page.
[21-Jan-2020 04:48:45 UTC] Omeka fatal error: Your Omeka database configuration file has not been set up properly. Please edit the configuration and reload this page.
[21-Jan-2020 04:49:05 UTC] Omeka fatal error: Your Omeka database configuration file has not been set up properly. Please edit the configuration and reload this page.
[21-Jan-2020 04:49:47 UTC] Omeka fatal error: Your Omeka database configuration file has not been set up properly. Please edit the configuration and reload this page.
[21-Jan-2020 04:50:18 UTC] Omeka fatal error: Your Omeka database configuration file has not been set up properly. Please edit the configuration and reload this page.
[21-Jan-2020 04:51:14 UTC] Omeka fatal error: Your Omeka database configuration file has not been set up properly. Please edit the configuration and reload this page.
[21-Jan-2020 04:51:54 UTC] Omeka fatal error: Your Omeka database configuration file has not been set up properly. Please edit the configuration and reload this page.
[21-Jan-2020 04:52:50 UTC] Omeka fatal error: Your Omeka database configuration file has not been set up properly. Please edit the configuration and reload this page.
[21-Jan-2020 04:53:09 UTC] Omeka fatal error: Your Omeka database configuration file has not been set up properly. Please edit the configuration and reload this page.
[21-Jan-2020 04:56:31 UTC] Omeka fatal error: Your Omeka database configuration file has not been set up properly. Please edit the configuration and reload this page.
[21-Jan-2020 04:58:11 UTC] Omeka fatal error: Your Omeka database configuration file has not been set up properly. Please edit the configuration and reload this page.
[21-Jan-2020 04:59:41 UTC] Omeka fatal error: Your Omeka database configuration file has not been set up properly. Please edit the configuration and reload this page.
[21-Jan-2020 04:59:48 UTC] Omeka fatal error: Your Omeka database configuration file has not been set up properly. Please edit the configuration and reload this page.
[21-Jan-2020 04:59:52 UTC] Omeka fatal error: Your Omeka database configuration file has not been set up properly. Please edit the configuration and reload this page.
[22-Jan-2020 13:41:50 UTC] Omeka fatal error: Your Omeka database configuration file is missing.
[22-Jan-2020 13:56:22 UTC] Omeka fatal error: Access denied for user ‘stikessu_omek263’@‘localhost’ (using password: YES).

Confirm that the information in your db.ini file is correct.

I fix this like a

You should check your db.ini file - it’s mentioned in step 3 of the installation instructions

I have followed step 3, the installation is successful but the menu on the dashboard I use is not working, I can enter the admin page but I click the menu in my admin directed to re-login