When I send an invite through the Admin interface, the registration link contains a token.
However, if I send an invite through user/inivite, the link in the e-mail doesn't contain a token and thus results in a failed registration message.
Admin interface: https://go.humhub.com/?url=https%3A%2F%2F########%2Fuser%2Fregistration%3Ftoken%3D##########&hid=#######
API: https://go.humhub.com/?url=https%3A%2F%2F#########%2Fuser%2Fregistration&hid=######