About findfs: unable to resolve 'LABEL=writable'

[ogra]

in general in the “doc” category in this forum:

Architectures

By default, Snapcraft builds a snap to run on the same architecture as the build environment. This behaviour can be modified with the top-level keywords architectures and platforms in the snap’s snapcraft.yaml. The architectures and platforms keywords are used to create a build plan. See build plans for an explanation of how build plans are created. The keywords are base-dependent: platforms is used for core24 snaps architectures is used for core20 and core22 snaps How to create a snap for …

which is also mirrored to docs.snapcraft.io nowadays.