Cannot Register new user

[CrazyBunnyz]

error when i try to create user.

POST /api/auth/register/ HTTP/1.1" 500 25096

How to replicate, i try to install and all application online but when I try to add a new user, it got this error. please help need ASAP

THank you

[CrazyBunnyz]

log.txt
Here is the log. I try to register from the swagger and it spawn this error

[CrazyBunnyz]

kombu.exceptions.OperationalError: [Errno 111] Connection refused

The connection refused is related to celery i believe, can anyone help what should i do ? i also try to run command celery status but it return above error