Also seen on https://askubuntu.com/questions/1344650/cant-open-snap-store/1344697 .
The solution is downgrade by:
``` snap remove snap-store snap install snap-store --candidate ```
Also seen on https:/ /askubuntu. com/questions/ 1344650/ cant-open- snap-store/ 1344697 .
The solution is downgrade by:
```
snap remove snap-store
snap install snap-store --candidate
```