install insync (k)ubuntu (manic version) no release (.xml) file for apt…
E: The package source ‘http://apt.insync.io/ubuntu manic Release’ does not have a Release file.
N: Updating the package list from such a package source cannot be done safely and is therefore disabled by default.
N: See the apt-secure(8) man page for details on creating a repository and user-side configuration.
please add if possible …
lunar work OK…
thanks