workarea stuck

Hello
I added a script to the footer in the page editor “<script type=”text/JavaScript”>document.write(new Date().getFullYear());</script>”, this is to update the year in the copyright section, and now I get this when I enter the page editor
http://prntscr.com/nw01r3
What can I do to fix this and get the settings back to normal ?
Thanks

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