It is very sad for anyone to get a negative karma but at the same time getting a negative karma only means that you are gotten it wrong somewhere.
You are only likely to get a negative karma In a case whereby you go against any of the rules and regulations of the forum, so that means you have gone against the rules and regulations of the forum but well you don't need to give up, all you need to do now is to get things right this time, follow the rules and regulations of the forum and also ensure you make useful and important post and then you can contact the admin