You do not have sufficient permissions to access this page?

Hey guys,

Just purchase this theme few days ago, managed to install the theme via WP successfully and activate the theme. Upon activation it redirect me to “Install Demo”. Once completed i received a pop up regarding database update required. I proceed with the updates and upon successful confirmation i get a blank page with “You do not have sufficient permissions to access this page.” error message.

Please advise.

Thank you!