Undefined index: page

[Belx]

After I integrated memcached and enabled caching this error occured on my website.

 

Can someone help me,please?

Edited January 15, 2022 by Belx (see edit history)

[MEG Venture]

Open the module/mt_verticalmenu/mt_verticalmenu.php file

Go to the line 877 and put that line in an if condition like below.

if (isset($page)) {
the code on line 877
}