Make sure the wp-content/uploads
directory is writable.
In Ubuntu, open the terminal, then type
chmod 777 -R /var/www/html/wordpress/wp-content/uploads
Adjust that command to your WordPress installation directory. Then, try again.
Make sure the wp-content/uploads
directory is writable.
In Ubuntu, open the terminal, then type
chmod 777 -R /var/www/html/wordpress/wp-content/uploads
Adjust that command to your WordPress installation directory. Then, try again.