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Fatal error: Failed opening required 'home/virtual/site208/fst/var/www/olwigb/olwig/'
One thing that jumps out at me immediately is this path. It _probably_ should read:
/home/virtual/site208/fst/var/www/olwigb/olwig/
(note the leading slash).
If you don't understand why those two are different, try a google search for the difference between absolute and relative path names.
Good Luck,
Vinny