Spread EurKEY, vote for this answer on StackOverflow. Or consider making a donation. You can also migrate the layout to other Linux distributions. In case you had, please let me know so I can make these packages available to public.
Check this link: http://superuser.com/a/171162/384610 (it's for Windows XP but works for Windows 10 as well)
Make sure the key isn't configured as hot-key in your operating system. KeePass 2 uses ALT_GR + A for 'Global auto-type'. See https://superuser.com/a/553138/384610 for how to disable this hot-key.