Web app sign up doesn't work and return server error

[erikfazio]

I wanted to try the web app because I like the project and I'd like to contribute because I'm a frontend web developer.

I tried to sign up but I receive a server error:

In the console I receive the following error when making the request to the register endpoint:

[hobson]

Same here on Firefox Dec 26

[hobson]

Duplicate of #2299