Landig page Shopping worlds doesn't work after update from 5.3.2 to 5.4.5

Hi,

I’m looking for solution how can I find where is the problem or how can I fix landing pages. 

https://ibb.co/k2F5rU
https://ibb.co/d4T0rU

Error

**An error occurred while loading the shopping world. Please try again.

{“success”:true,“data”:{“id”:20408,“type”:“backend”,“key”:"",“text”:“An error occurred while loading the shopping world. Please try again.”,“date”:new Date(1533820317000),“user”:“XX”,“ipAddress”:“83.5.0.0”,“userAgent”:“Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36”,“value4”:""}}**

Normal Shopping worlds elements works… but with landing pages I have a problem. 

Regards

Daniel