Spotted an error page during signup

[ritikprajapat21]

Current behavior A clear and concise description of what the bug is.

To Reproduce Steps to reproduce the behavior:

1. Go to 'Product>Activity'
2. Click on 'Signup'
3. Fill out the form and click on "Sign Up"
4. See error

Expected behavior Remove the error and instead show what is wrong

https://github.com/hikaya-io/activity/assets/112960100/38dacbd6-8bda-42a3-98a0-9eedc30ebc05