Theme support is offered to verified customers by forum only. Support requests and solutions made by email, Skype, Envato or any other method will be redirected back to the forum.
we have noticed that permalinks were not set to post name, so please go to settings > permalinks > post name > save changes.
Also, set your default new user role to contributor. Settings > general > new user default role > contributor.
This will be changed in demo import.