Always give this error,[gallery type='zenfolio' view='group' object_id='p473528244' columns='4' thumb_size='10' ]
With or without login_name or using friendly url name, the result is same.An unexpected error has occurred. Please try again later. If this problem persists, contact Support."
BTW, there are some minor issue in Zenfolio setting page, when adding the media,
The first line shows Instagram even it is for Zenfolio
The last two settings, "Number of columns" and "Number of photos to show" seem to be duplicated.You have to define your Instagram Client ID under Photonic → Settings → Instagram → Instagram Settings