Download and unzip the attached. You will then find a folder called phpBB3 on your desktop. Within that folder there is another one called includes. Upload that to your boards root (where
config.phpis) and you will be asked if you want to overwrite
functions_content.phpAccept that and the files will upload.
Then purge your boards cache, either from the ACP or (if you can not access the acp) by removing the contents of the cache directory on your server, leaving just