Error message (contrib_id 9085 for example/reference):

Fatal error: Call to a member function approve_process() on a non-object in /var/www/phpbb.com/htdocs/includes/functions_approve.php on line 213

Happens after clicking Approve button on index.php?i=queue&mode=validate&contrib_id=9085&tab=update

As an interesting side note, if I instead click the Preview button on this page I get the following error:

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