Syed,
your mail contains no question, just a couple of hundred lines of code
and an image. So I have to guess what your question is. But then,
looking at the image, I wonder: Have you read the error message? It
explains what the cause of the error is, and how you can fix it.
Best
WB
--
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Wolfgang Bangerth email:
bang...@colostate.edu
www:
http://www.math.colostate.edu/~bangerth/