Credential Server Response 400 error while enabling sync

[srirambv]

• Did you search for similar issues before submitting this one?
  Yes

• Describe the issue you encountered:
  Credential Server Response 400 error while enabling sync reported by user on community https://community.brave.com/t/i-cant-turn-on-brave-sync/3242/

• Platform (Win7, 8, 10? macOS? Linux distro?):
  Windows 10

• Brave Version (revision SHA):
  Brave: 0.15.310
  rev: 6b5e4e2
  Muon: 3.0.201

• Steps to reproduce:

  1. Enable sync on a new profile
  2. Shows Credentail server response 400

• Screenshot if needed:
  https://imgur.com/a/G5Mz2

• Any related issues:

[anht10]

I still got this problem after update on Release channel

[alexwykoff]

migrated to brave/sync#114