Cengolino

Hi, I lived same problem. I’ve just changed a line and it worked.
Open the file below
/home/admin/domains/YOUR WEB SITE/public_html/wp-admin/includes/file.php
Go line 348
It’s like that
copy( $tmp_file, $new_file);

I changed new_file to filename ??
copy( $tmp_file, $filename );