[MarkFL]

Yes, as a hot fix for this issue, replace the code in the plugin titled "Generate Alert On Username Change (by admin)" with the following:

PHP Code:

if ($vbulletin->options['markfl_uca_active'] AND $vbulletin->GPC['userid'])
{
    $original = fetch_userinfo($vbulletin->GPC['userid']);

    if ($vbulletin->GPC['user']['username'] != $original['username'])
    {
        require_once(DIR . '/includes/functions_databuild.php');
        if ($vbulletin->options['markfl_uca_destination'])
        {
            $mforumid = $vbulletin->options['markfl_uca_destination'];
        }
        else
        {
            $mforumid = $vbulletin->options['rpforumid'];
        }

        if (!$vbulletin->options['markfl_uca_title'])
        {
            $title = 'Username Changes';
        }
        else
        {
            $title = $vbulletin->options['markfl_uca_title'];
        }

        if (!$vbulletin->options['markfl_uca_reportformat'])
        {
            $report = 'I have changed the following username:' . PHP_EOL . PHP_EOL . 'Old: [OLD]' . PHP_EOL . PHP_EOL . 'New: [NEW]';
        }
        else
        {
            $report = $vbulletin->options['markfl_uca_reportformat'];
        }


        $find = array('[OLD]', '[NEW]');
        $replace = array($original['username'], $vbulletin->GPC['user']['username']);
        $report = str_replace($find, $replace, $report);

        $threads = $vbulletin->db->query_read("
            SELECT thread.*
            FROM " . TABLE_PREFIX . "thread AS thread
            WHERE title = '" . $title . "'
            AND forumid = " . $vbulletin->options['markfl_uca_destination']
        );

        $report_thread = $db->fetch_array($threads);

        $muserid = $vbulletin->userinfo['userid'];
        $mpostip = "";
        $mallowsmilie = '1';
        $mvisible = 1;
        $showsig = 1;

        if ($report_thread['threadid'])
        {
            $mpost =& datamanager_init('Post', $vbulletin, ERRTYPE_ARRAY, 'threadpost');
            $reportthreadinfo = fetch_threadinfo($report_thread['threadid']);
            $mpost->set_info('thread',   $reportthreadinfo);
            $mpost->set_info('is_automated', true);
            $mpost->setr('threadid',     $report_thread['threadid']);
            $mpost->setr('userid',       $muserid );
            $mpost->setr('pagetext',     $report);
            $mpost->set('allowsmilie',   $mallowsmilie);
            $mpost->set('visible',       $mvisible);
            $mpost->set('ipaddress',     $mpostip);
            $mpost->set('showsignature', $showsig);
            $mpost->pre_save();
            if (count($mpost->errors) < 1 AND count($mthread->errors) < 1)
            {
                $mpost->save();
                unset($mthread);
                unset($mpost);
            }
            else 
            {
                print "Error making new post! " . $mthread->errors[0] . $mthread->errors[1] . $mthread->errors[2] ;
            }
            build_forum_counters($mforumid);
            mark_thread_read($reportthreadinfo, fetch_foruminfo($mforumid), $vbulletin->userinfo['userid'], TIMENOW);
        }
        else
        {
            $mthread =& datamanager_init('Thread_FirstPost', $vbulletin, ERRTYPE_ARRAY, 'threadpost');
            $reportforuminfo = fetch_foruminfo($mforumid);
            $reportthreadinfo = array();
            $mthread->set_info('forum',    $reportforuminfo);
            $mthread->set_info('thread',   $reportthreadinfo);
            $mthread->set_info('is_automated', true);
            $mthread->set_info('skip_floodcheck', true);
            $mthread->set_info('mark_thread_read', true);
            $mthread->setr('forumid',      $mforumid);
            $mthread->setr('userid',       $muserid );
            $mthread->setr('pagetext',     $report);
            $mthread->setr('title',        $title);
            $mthread->set('allowsmilie',   $mallowsmilie);
            $mthread->set('visible',       $mvisible);
            $mthread->set('ipaddress',     $mpostip);
            $mthread->set('showsignature', $showsig);
            
            $mthread->pre_save();
            if (count($mthread->errors) < 1)
            {
                $threadid = $mthread->save();
                build_thread_counters($mthread);
                unset($mthread);
            }
            else 
            {
                print "Error making new thread! " . $mthread->errors[0] . $mthread->errors[1] . $mthread->errors[2] ;
            }
            build_forum_counters($mforumid);
        }
    }
}