this msg is coming in excel file
<b>Warning</b>: realpath() [function.realpath]: SAFE MODE Restriction in effect. The script whose uid is 3028 is not allowed to access /tmp owned by uid 0 in <b>/home/noortrad/public_html/wp-content/plugins/order-tracking/PHPExcel/Classes/PHPExcel/Shared/File.php</b> on line <b>175</b>
it was working with previous version.
I have check all versions but now its not working in any version.
Version 2.2.7
no custom fields
also no error coming while exporting.