It looks like your WordPress installation isn’t able to write file. You have to change the file permission to the upload folder located in wp-content/uploads and to all it’s sub folders. Read more about file permissions on the WordPress site: Changing File Permissions. You can also force WordPress to write files with FS_DIRECT.
On some server configurations Mailster isn’t able to write on the file system. You have to change the file permission for WordPress or force WordPress to use the direct method by adding this line in your wp-config.php: define(‘FS_METHOD’, ‘direct’); The error message can be closed (dismissed) after you have added this line. It won’t show […]