Mr n picker U sync

Questions
1

After save - saved nodes dissapear
General
Umbraco 7
Hi

Umbraco version 7.4.2 Mr N picker version 1.1.0

I have some troubles with the Mr N picker.

When i save the items it saves and it shows up: enter image description here

enter image description here
enter image description here492×207 7.73 KB

After 10 - to 15 minutes it dissapears, the values are still in available, but i can´t se the selected items.

enter image description here
enter image description here482×123 5.85 KB

This is a companion discussion topic for the original entry at https://our.umbraco.com/forum/76415-mr-n-picker-u-sync