The Adaptavist product that had been a free of charge plugin, is no longer free. This was not the case when we were testing the upgrade. At this time we are trying to decide whether to move forward and purchase this plugin or disable it. Edit the page and look for any macros with the following symbol, if you remove that macro the error message will disappear.
Why doesn't my attachment show after I added it to a page?
Some problematic images do not display correctly when you drag and drop them on a page. The fix is to: 1) Add the image as an attachment first, 2) replace the old image with this new attachment.
Why does a Microsoft Office created document not display?
The fix is to open the document in office (word, excel, or powerpoint) and save it. Then attach this newly saved version to the page.