MailScanner crashing in debug mode

[--[ UxBoD ]--]

Testing something out and when I ran MailScanner in debug mode I received and error that it tried to print a variable that was not defined on line 756 of PFDiskStore.pm : 

$handle->print($line . "\n"); 

I added my own debug line to print it and it ran through a couple of emails okay then died. I checked the email in question and on the face of things it looked okay. I decided to change the line to as below which allow it to be processed okay: 

if ($handle) { $handle->print($line . "\n"); } 

Any thoughts on why the handle would either not be created or is being destroyed ? 

-- 
Thanks, Phil 
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