the requested snap is already installed.
authentication was cancelled by the user.
the provided authorization data is invalid.
the requested operation requires authorization data.
a bad query was provided.
snapd did not understand the request that was sent.
the response received from snapd was not understood.
requested snap channel not available.
not able to connect to snapd.
A hostname failed to resolve during the request.
an unspecified error occurred while communicating with snapd.
this snap needs to be installed using classic mode.
a classic system is required to install this snap.
this snap needs to be installed using devmode.
A timeout occurred during the request.
the given snap or directory does not look like a snap.
snap not compatible with classic mode.
the requested snap couldn't be found.
the requested snap is not installed.
the requested snap is not in the store.
no update is available for this snap.
A requested configuration option is not set.
provided password is not valid.
this user has had their payment method declined by the payment provider.
this user has not configured a payment method.
this user account is not permitted to perform the requested operation.
an error occurred while reading from snapd.
requested snap revision not available.
this user has not accepted the store's terms of service.
the two factor code provided at login is invalid.
login requires a two factor code.
an error occurred while writing to snapd.
Error codes returned by snapd operations.