Originally Posted by Chuck S
You need to ensure you upload all the new correct files. Your error tells me your main global file pp-inc.php is still an old one so you might want to recheck you upload everything except the config files.
Re-uploaded the pp-inc.php file as you suggested and that fixed it. Will go back and re-upload all files again just in case some other file wasn't transferred over properly.
Thanks and regards. -- Rik