Welcome the Technical Support section. Help us in assisting you by providing us with a concise and descriptive elaboration of your issues. Be specific and if possible, provide us with a step-by-step instruction in replicating your problem.
Are you trying upgrade your Jomsoical on old Joomla version Joomla! 2.5.14? because your domain still using that old joomla version and you need to use min Joomla version > 2.5.6 for latest jomsocial