Auto-closing Bookbinder window (pic1) by opening up another (pic2 production of a workyard) will malfunction slidebars (pic3 in Economy Overview).
Workaround: open up Bookbinder again and close it "properly" by clicking the "X"-button.
(Thumbnails will send you to directupload.net and may annoy you with 1 or 2 popups. Check spoilers for big pictures in this post.)
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