I have a strange problem.
I have an error but no "error".
I have installed everything with the help of your instructions, with any problems. But when I want to edit or add new tab I face a strange problem.
The Magento 2 admin page loads with no problems also I can select to "edit" default tabs but as soon as I click edit or "Add new tab" the error happens. And the error is that everything loads expect the fields where you can edit or add a new tab.
Normal working Easy Tabs Dashboard:
When you edit or "add new":
I have no error code in Logs no error code in Chrome Console. I have installed also Magento Debugger and no answer.
I use stock Magento 2 with a Market template.