Conversion stopped after upgrading to 2.7

Hi,

I just upgraded to 2.7 from 2.6 and now conversion has stopped. The videos get uploaded properly but the process queue just shows "Conversion Started" for all new videos.

DEBUG FILE :

2009-07-12 4:35:44 Upload Finished

2009-07-12 4:35:44 Background Processing

2009-07-12 4:35:44 Running: /usr/local/bin/php -q /home/indianpornvideos.com/public_html/convert.php 5014 > /dev/null &

2009-07-12 4:35:45 Starting Background video conversion - 5014

2009-07-12 4:53:38 Upload Finished

2009-07-12 4:53:38 Background Processing

2009-07-12 4:53:38 Running: /usr/local/bin/php -q /home/indianpornvideos.com/public_html/convert.php 5015 > /dev/null &

2009-07-12 4:53:38 Starting Background video conversion - 5015

2009-07-12 4:59:47 Upload Finished

2009-07-12 4:59:47 Background Processing

2009-07-12 4:59:47 Running: /usr/local/bin/php -q /home/indianpornvideos.com/public_html/convert.php 5016 > /dev/null &

2009-07-12 4:59:47 Starting Background video conversion - 5016

2009-07-12 7:16:01 Upload Finished

2009-07-12 7:16:01 Background Processing

2009-07-12 7:16:01 Running: /usr/local/bin/php -q /home/indianpornvideos.com/public_html/convert.php 5017 > /dev/null &

2009-07-12 7:16:01 Starting Background video conversion - 5017

2009-07-12 7:16:47 Upload Finished

2009-07-12 7:16:47 Background Processing

2009-07-12 7:16:47 Running: /usr/local/bin/php -q /home/indianpornvideos.com/public_html/convert.php 5018 > /dev/null &

2009-07-12 7:16:47 Starting Background video conversion - 5018

2009-07-12 7:31:58 Upload Finished

2009-07-12 7:31:58 Background Processing

2009-07-12 7:31:58 Running: /usr/local/bin/php -q /home/indianpornvideos.com/public_html/convert.php 5019 > /dev/null &

2009-07-12 7:31:58 Starting Background video conversion - 5019

2009-07-12 8:23:47 
Temporary File Name : 
File Size :0 
File Type : 
File Name : [ERROR: 4] No file was uploaded.

2009-07-12 8:23:54 
Temporary File Name : 
File Size :0 
File Type : 
File Name : [ERROR: 4] No file was uploaded.