The only error message that occurs, is sometimes there is a red bar across the top of the page that says unable to save. Other times, it appears to save, so there is not really anything to show. The problem, it is frustratingly difficult to have to go back through every edit made -- typos, formatting, rearranging content, etc. - to find out if any didn't stick. Some of the time, edits will seem to stick and the test send copy will show the edit, but then when you go back in to finish up older edits have been undone.
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