I've finally completed my last challenge on Hacker Gateway but for several days now I have been met with a 404 error when trying to update my score via Wechall.
Not sure how much benefit there will be in reporting this issue as I am doubting this is something that can be resolved through the wechall interface but unfortunately the site admin
Juampi has been offline since February 2019 - although I've sent him a direct PM notifying him of the issue regardless.