Bug vBulletin 3.8.x error

[unknownone]

I can't open any page except usercp.php after installed two-factor authentication 1.1.0.
It has same problem on new forum[v3.8.9PL1] with the installation of two-factor authentication 1.1.0
Please fix this compatibility problem.

 

[Fillip H.]

Can you please provide more information? Without an error message I will be unable to assist you.

 

[unknownone]

IE11:

This page can’t be displayed

Make sure the web address http://127.0.0.1 is correct.
Look for the page with your search engine.
Refresh the page in a few minutes.
--

Chrome 65.0.3325.146

This site can’t be reached
The webpage at 404 Not Found might be temporarily down or it may have moved permanently to a new web

address.
ERR_CONTENT_DECODING_FAILED
--

OPERA 52.0.2871.30:

This site can’t be reached
The webpage at http://127.0.0.1/ might be temporarily down or it may have moved permanently to a new web address.
--

Firefox 59.0.1:

Content Encoding Error

The page you are trying to view cannot be shown because it uses an invalid or unsupported form of compression.

Please contact the website owners to inform them of this problem.
--
wget index.php:

<br /><b>PHP Warning</b>: array_merge(): Argument #2 is not an array in <strong>....\dbtech\twofactor\hooks\cache_templates.php</strong> on line <strong>21</strong><br /><br /><b>PHP Warning</b>: Invalid argument supplied for foreach() in <strong>....\includes\functions.php</strong> on line <strong>3234</strong><br />
......

 

[Fillip H.]

Can you please upgrade to the latest version of vB 3.8 and see if that resolves the issue?