Cannot find required base "core" when installing/refreshing when using 'base: core'

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1 
$ snap version
snap    2.39.1
snapd   2.39.1
series  16
ubuntu  19.04
kernel  5.0.0-15-generic

$ snap list core
Name  Version    Rev   Tracking  Publisher   Notes
core  16-2.39.1  7121  beta      canonical✓  core

I recently changed the review-tools snapcraft.yaml to use this so I could use newer snapcraft in LP and multipass locally:

base: core

and (as seen from above), with core installed I see:

$ sudo snap install --edge review-tools
error: cannot perform the following tasks:
- Mount snap "review-tools" (857) (cannot find required base "core")

and if I install stable first and try to refresh to edge:

$ sudo snap install review-tools
review-tools 0.48+git from Jamie Strandboge (jdstrand) installed
$ sudo snap refresh --edge review-tools
error: cannot perform the following tasks:
- Mount snap "review-tools" (857) (cannot find required base "core")
2

If you are using launchpad directly, you need to do additional setup and in the boxes for core and snapcraft add stable for each.

3

This worked for me, thanks!

$ sudo snap refresh review-tools --edge
review-tools (edge) 0.48+git from Jamie Strandboge (jdstrand) refreshed
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