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<h4 class="subsection">1.6.1 Internal Errors</h4>

<p><a name="index-internal-errors-55"></a>Internal errors should never occur unless the
<code>avram</code> source code has been carelessly modified, except as noted
in <a href="Bugs.html#Bugs">Bugs</a>. There are two kinds.

     <dl>
<dt><var>application-name</var><code>: virtual machine internal error (code </code><var>nn</var><code>)</code><dd>Most internal errors would be reported by a message of this form
if they were to occur. It indicates that some required invariant was
not maintained. In such cases, the program terminates immediately, and
any results already produced are suspect. 
<br><dt><var>application-name</var><code>: </code><var>nn</var><code> unreclaimed </code><var>struct-names</var><dd>A message of this form could be printed at the end of an otherwise successful
run. <code>avram</code> maintains a count of the number of units allocated
for various data structures, and checks that they are all reclaimed
eventually as a safeguard against memory leaks. This message indicates
that some memory remains unaccounted for. 
</dl>

   <p><a name="index-bug-reports-56"></a><a name="index-email-57"></a><a name="index-author-58"></a>If a repeatable internal error is discovered, please email a bug
report and a small representative test case to the author at
<a href="mailto:[email protected]">[email protected]</a>. Include the version number of <code>avram</code>,
which you can get by running <kbd>avram --version</kbd>.

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