Upsell Setting is missing

[kawaiimonostore.com]

Installed and Activated Upsell Php 7.0 Addon
Configured a bunch of upsell
test not working
deleted all page in upsell setting page.
test
check upsell setting,,,, setting page not showing anymore (see below)... What to do? tried re-installing...same result.

 

[kawaiimonostore.com]

Any admin here?

I inspect here is error
load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,utils&ver=4.9.8:4 POST https://kawaiimonostore.com/wp-admin/admin-ajax.php 504
send @ load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,utils&ver=4.9.8:4
ajax @ load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,utils&ver=4.9.8:4
mainRequest @ main.js?ver=0.1.4:425
(anonymous) @ main.js?ver=0.1.4:466
each @ load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,utils&ver=4.9.8:2
each @ load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,utils&ver=4.9.8:2
mainHandlers @ main.js?ver=0.1.4:465
init @ main.js?ver=0.1.4:584
(anonymous) @ main.js?ver=0.1.4:641
i @ load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,utils&ver=4.9.8:2
fireWith @ load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,utils&ver=4.9.8:2
ready @ load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,utils&ver=4.9.8:2
K @ load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,utils&ver=4.9.8:2

 

[kawaiimonostore.com]

Nevermind...It is now working.

This plugin should be optimized... currently it takes too much resource in hosting causing the dashboard to not appear if the ajax cannot fetch records from the database... should be like cross-sell feature.

I hope you update this plugin soon!