Continuing gellyfish's comment above, if you had warnings enabled (i.e.
use warnings) you would have seen:
Odd number of elements in anonymous hash at line 372.
While this would not have immediately indicated the source of the problem, it might have motivated you to dump out the data structure at line 372 to see what was going on before throwing your hands up and posting a vague query on this site. Debugging can be a learned skill so hopefully the result of this post is that you learned a little more about problem solving. :-)
Yet another example of the usefulness of warnings -- even though they can be annoying at times!
-- Brian
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