As posted on xenforo forum.
When clicking to revert
So link for log out from impersonate user is not working.
Also, when try to log out impersonate user I get just missing phrase
Disabled for now.
Edit: Also, maybe this server error log help you
When clicking to revert
www.example.com/impersonate/logout-as-user
we get 404 page.So link for log out from impersonate user is not working.
Also, when try to log out impersonate user I get just missing phrase
miu_impersonate_cant_logout
Disabled for now.
Edit: Also, maybe this server error log help you

Code:
Server error log
ErrorException: [E_NOTICE] Undefined index: sendDefault src/addons/MMO/ImpersonateUser/Service/Impersonate/Impersonate.php:85
Generated by: Sunka 22.05.2020. at 03:01
Stack trace
#0 src/addons/MMO/ImpersonateUser/Service/Impersonate/Impersonate.php(85): XF::handlePhpError()
#1 src/addons/MMO/ImpersonateUser/ControllerPlugin/Impersonate.php(26): MMO\ImpersonateUser\Service\Impersonate\Impersonate->login()
#2 src/addons/MMO/ImpersonateUser/Pub/Controller/Impersonate.php(39): MMO\ImpersonateUser\ControllerPlugin\Impersonate->setupLoginAsUser()
#3 src/XF/Mvc/Dispatcher.php(350): MMO\ImpersonateUser\Pub\Controller\Impersonate->actionLoginAsUser()
#4 src/XF/Mvc/Dispatcher.php(257): XF\Mvc\Dispatcher->dispatchClass()
#5 src/XF/Mvc/Dispatcher.php(113): XF\Mvc\Dispatcher->dispatchFromMatch()
#6 src/XF/Mvc/Dispatcher.php(55): XF\Mvc\Dispatcher->dispatchLoop()
#7 src/XF/App.php(2184): XF\Mvc\Dispatcher->run()
#8 src/XF.php(391): XF\App->run()
#9 index.php(20): XF::runApp()
#10 {main}
Request state
array(4) {
["url"] => string(26) "/impersonate/login-as-user"
["referrer"] => string(69) "https://www.pijanitvor.com/impersonate/login-as-user?username=tester2"
["_GET"] => array(1) {
["/impersonate/login-as-user"] => string(0) ""
}
["_POST"] => array(6) {
["username"] => string(7) "tester2"
["reason"] => string(10) "testiranje"
["_xfToken"] => string(8) "********"
["_xfRequestUri"] => string(43) "/impersonate/login-as-user?username=tester2"
["_xfWithData"] => string(1) "1"
["_xfResponseType"] => string(4) "json"
}
}