I am having the same problem, cannot upload media since updating to 3.9.1 and I am also getting an error across the top of all pages:
Warning: Creating default object from empty value in /home4/cavlot/public_html/wp-content/plugins/wpsp/configs/default.php on line 27
Warning: Creating default object from empty value in /home4/cavlot/public_html/wp-content/plugins/wpsp/wpsp-frontend.php on line 22
Can someone help? Thanks
https://www.tonetix.com
