EE2 to EE4 white page

I have upgraded cms system from EE2 to EE4 everything works fine but I have a problem with Low Variables addons.

if I want to adjust the setting then I get a white page. I do not know what is the problem, the version I use is 3.2.0.

do you know what is the problem?
1 person has
this problem
+1
Reply