while trying to edit the page with betheme editor the page is not opening, the page is loading long time and nor going to editor, some pages having more this issue, like home contact, please check this issue.
Please, turn off all of the plugins, refresh your cache, and check if the problem persists.
Moreover, if you use a child theme, switch to parent, and recheck it.
If this will not help, please send us WordPress dashboard access privately thru the contact form, which is on the right side at http://themeforest.net/user/muffingroup#contact, and we will check what might be the reason.
Please attach a link to this forum discussion.
Sending incorrect or incomplete data will result in a longer response time.
Therefore, please make sure that the data you are sending are complete and correct.