Edit Panel showing only html

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Anyone know why my editing panel looks like the attached? The block in a content block and not an html block.
All the coding is as the way I usually do sites and looks like no css is out of order.
Thanks.

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trixiemay
 
ConcreteOwl replied on at Permalink Reply
ConcreteOwl
Is your browser console showing any errors, I suspect the tiny_mce java script is not loading..