This isn't a bug in update-manager and certainly not in the official amaya version that is in the repositories. You downloaded a package from amaya's website and that package has a invalid version number. Unofficial packages are unsupported in ubuntu.
This isn't a bug in update-manager and certainly not in the official amaya version that is in the repositories. You downloaded a package from amaya's website and that package has a invalid version number. Unofficial packages are unsupported in ubuntu.