<ogra_> ogra@styx:~/nanopi/brcm$ sudo snap refresh core --beta
<ogra_> 2017-08-26T15:32:16+02:00 INFO Waiting for restart...
<ogra_> error: cannot perform the following tasks:
<ogra_> - Run refresh hook of "core" snap if present (internal error: no registered handlers for hook "refresh")
<ogra_> can you go back from edge to beta ?