http://wordpress.org/support/topic/false-uploading-error

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    <font size='1'><table class='xdebug-error xe-warning' dir='ltr' border='1' cellspacing='0' cellpadding='1'>
    <tr><th align='left' bgcolor='#f57900' colspan="5"><span style='background-color: #cc0000; color: #fce94f; font-size: x-large;'>( ! )</span> Warning: file_exists(): open_basedir restriction in effect. File(/var/www/vhosts/playground.audrey.mpangodev.com/tmp/php6HjZzI) is not within the allowed path(s): (/var/www/vhosts/playground.audrey.mpangodev.com/httpdocs) in /var/www/vhosts/playground.audrey.mpangodev.com/httpdocs/wp/wordpress/wp-includes/functions.php on line <i>1808</i></th></tr>
    <tr><th align='left' bgcolor='#e9b96e' colspan='5'>Call Stack</th></tr>
    <tr><th align='center' bgcolor='#eeeeec'>#</th><th align='left' bgcolor='#eeeeec'>Time</th><th align='left' bgcolor='#eeeeec'>Memory</th><th align='left' bgcolor='#eeeeec'>Function</th><th align='left' bgcolor='#eeeeec'>Location</th></tr>
    <tr><td bgcolor='#eeeeec' align='center'>1</td><td bgcolor='#eeeeec' align='center'>0.0009</td><td bgcolor='#eeeeec' align='right'>276280</td><td bgcolor='#eeeeec'>{main}(  )</td><td title='/var/www/vhosts/playground.audrey.mpangodev.com/httpdocs/wp/wordpress/wp-admin/async-upload.php' bgcolor='#eeeeec'>../async-upload.php<b>:</b>0</td></tr>
    <tr><td bgcolor='#eeeeec' align='center'>2</td><td bgcolor='#eeeeec' align='center'>0.2721</td><td bgcolor='#eeeeec' align='right'>22806640</td><td bgcolor='#eeeeec'>wp_ajax_upload_attachment(  )</td><td title='/var/www/vhosts/playground.audrey.mpangodev.com/httpdocs/wp/wordpress/wp-admin/async-upload.php' bgcolor='#eeeeec'>../async-upload.php<b>:</b>41</td></tr>
    <tr><td bgcolor='#eeeeec' align='center'>3</td><td bgcolor='#eeeeec' align='center'>0.2730</td><td bgcolor='#eeeeec' align='right'>22816208</td><td bgcolor='#eeeeec'>media_handle_upload(  )</td><td title='/var/www/vhosts/playground.audrey.mpangodev.com/httpdocs/wp/wordpress/wp-admin/includes/ajax-actions.php' bgcolor='#eeeeec'>../ajax-actions.php<b>:</b>1616</td></tr>
    <tr><td bgcolor='#eeeeec' align='center'>4</td><td bgcolor='#eeeeec' align='center'>0.2732</td><td bgcolor='#eeeeec' align='right'>22818416</td><td bgcolor='#eeeeec'>wp_handle_upload(  )</td><td title='/var/www/vhosts/playground.audrey.mpangodev.com/httpdocs/wp/wordpress/wp-admin/includes/media.php' bgcolor='#eeeeec'>../media.php<b>:</b>213</td></tr>
    <tr><td bgcolor='#eeeeec' align='center'>5</td><td bgcolor='#eeeeec' align='center'>0.2734</td><td bgcolor='#eeeeec' align='right'>22822688</td><td bgcolor='#eeeeec'>wp_check_filetype_and_ext(  )</td><td title='/var/www/vhosts/playground.audrey.mpangodev.com/httpdocs/wp/wordpress/wp-admin/includes/file.php' bgcolor='#eeeeec'>../file.php<b>:</b>303</td></tr>
    <tr><td bgcolor='#eeeeec' align='center'>6</td><td bgcolor='#eeeeec' align='center'>0.2734</td><td bgcolor='#eeeeec' align='right'>22824304</td><td bgcolor='#eeeeec'><a href='http://www.php.net/file_exists' target='_new'>file_exists</a>
    (  )</td><td title='/var/www/vhosts/playground.audrey.mpangodev.com/httpdocs/wp/wordpress/wp-includes/functions.php' bgcolor='#eeeeec'>../functions.php<b>:</b>1808</td></tr>
    </table></font>
    {"success":true,"data":{"id":267,"title":"add","filename":"add.png","url":"http:\/\/playground.audrey.mpangodev.com\/wp\/content\/uploads\/2012\/11\/add.png","link":"http:\/\/playground.audrey.mpangodev.com\/wp\/placemarks\/cassanos\/attachment\/add","alt":"","author":"1","description":"","caption":"","name":"add","status":"inherit","uploadedTo":262,"date":1354310335000,"modified":1354310335000,"menuOrder":0,"mime":"image\/png","type":"image","subtype":"png","icon":"http:\/\/playground.audrey.mpangodev.com\/wp\/wp-includes\/images\/crystal\/default.png","dateFormatted":"November 30, 2012","nonces":{"update":"2b58af6ac0","delete":"f0e900774f"},"sizes":{"full":{"height":16,"width":16,"url":"http:\/\/playground.audrey.mpangodev.com\/wp\/content\/uploads\/2012\/11\/add.png","orientation":"landscape"}},"height":16,"width":16,"orientation":"landscape","compat":{"item":"","hidden":[],"meta":""}}}