You don't indicate what the error messages are, but Tree objects include code references. In order to serialize them with Storable, you either need to have a recent version of Storable (after 2.05) and set $Storable::Deparse to a true value, to allow Storable to serialize the code reference, or prevent the code references from being serialized (see STORABLE_freeze and STORABLE_thaw in Storable).
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Posts may use any of the Perl Monks Approved HTML tags. Currently these include the following:
<code> <a> <b> <big>
<blockquote> <br /> <dd>
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Snippets of code should be wrapped in
<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
intervention).
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Want more info? How to link
or How to display code and escape characters
are good places to start.
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