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.
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Bassicaly debuging issues on local hosts are beyond our support scope, so maybe you could check if this problem will also appear on live site? Also please make sure that your server configuration meets our mininal requirments and Joomla's requirments >
documentation.jomsocial.com/wiki/System_Requirements