An update to the newsletter module was done on Sunday September 6, 2015. This update includes a new index block for the archive pages as well as a new “Print Friendly View” which displays the full articles for the issue so that the whole issue can be printed at once. The update also contained some fixes to the relational fields for articles, events, and media mentions.
If you are having any problems viewing your website after this update, clear the cache on your browser this might fix the problem. If you continue to have problems please put in a ticket at the IT Help Desk.