Try what Thelonius advised, but the real answer to your question is "What changed?". If something worked for a long time and then it doesn't work anymore, then something isn't what it used to be. What Thelonius suggested will probably fix the immediate problem but if you really want to know what happened (and perhaps prevent future problems), do the research and find out.
The Needs of the World and my Talents run parallel to infinity.
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