Error: "Frame callback host must be instance of Magento\Backend\Block\Widget" during Customer Edit

Asked Jun 29 '18 at 12:17

Active Jan 24 '19 at 09:22

Viewed 111 times

I am getting this error on customer edit page at the admin side:

Frame callback host must be instance of Magento\Backend\Block\Widget

I am getting above error for few users only.

edited Jan 24 '19 at 09:22

asked Jun 29 '18 at 12:17

Mind_blow

0 Answers0