The modules or dependencies must be available in Perl. Remove the dependencies not needed, including MCE if not used. Basically, add only dependencies required by your application.
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<blockquote> <br /> <dd>
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<code> tags not
<pre> tags. In fact, <pre>
tags should generally be avoided. If they must
be used, extreme care should be
taken to ensure that their contents do not
have long lines (<70 chars), in order to prevent
horizontal scrolling (and possible janitor
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are good places to start.