https://forums.autodesk.com/t5/fusion-design-validate-document/red-thumbnails/m-p/5849988#M283989 <P>Hi&nbsp;@Anonymous</P> <P>What you are seeing is not a warning sign, it is actually a graphic bug that our visualization team has created a fix for.</P> <P>After it has been tested it should appear in the next update.</P> <P>&nbsp;</P> <P>Thanks</P> <P>&nbsp;</P> <P>Colin</P> <P>&nbsp;</P> Wed, 07 Oct 2015 16:27:49 GMT colin.smith 2015-10-07T16:27:49Z