Ubuntu – notepad-plus-plus snap does not start on Ubuntu

I created this question on stackoverflow and it was downvoted. I hope this is right comunity to ask.

I installed notepad-plus-plus on Ubuntu 16.04 machine. It was working fine. With no evident reason it stopped to work. Icon disappeared from application list. When I launch shell script /snap/notepad-plus-plus/current/bin/notepad-plus-plus I get error message:

You need to connect this snap to the wine-platform-i386 snap.

snap connect :wine-platform-plug wine-platform-i386:wine-base-stable

I removed snapd (sudo apt autoremove –purge snapd) and installed it again. Same behavior.
I installed notepad-plus-plus snap on another Ubuntu system and it works fine.

How to 'connect' notepad-plus-plus snap to the wine-platform-i386 snap?

System info:

~$ snap --version
snap 2.35.4
snapd 2.35.4
series 16
ubuntu 16.04
kernel 4.10.0-14-lowlatency

~$ snap list
Name Version Rev Tracking Publisher Notes
core 16-2.35.4 5662 stable canonical✓ core
notepad-plus-plus 7.5.9 124 stable mmtrt -
wine-platform-i386 1.0 23 stable mmtrt -


Update:

snap interfaces | grep notepad-plus-plus
:desktop notepad-plus-plus
:desktop-legacy notepad-plus-plus
:home notepad-plus-plus
:network notepad-plus-plus
:opengl notepad-plus-plus
:wayland notepad-plus-plus
:x11 notepad-plus-plus
wine-platform-i386:wine-base-stable notepad-plus-plus:wine-platform-plug
- notepad-plus-plus:cups-control
- notepad-plus-plus:hardware-observe
- notepad-plus-plus:process-control
- notepad-plus-plus:removable-media

Update 2:

snap interfaces wine-platform-i386
Slot Plug
wine-platform-i386:wine-base-devel -
wine-platform-i386:wine-base-stable notepad-plus-plus:wine-platform-plug
wine-platform-i386:wine-base-staging -