Cant download tickets

Infos:

Im trying to download the tickets,but getting error

• Used Zammad version: 6.3x
• Operating system:
  elasticsearch:
  Limits:
  cpu: 2
  memory: 4Gi
  Requests:
  cpu: 300m
  memory: 2Gi
  railsserver:
  Requests:
  cpu: 250m
  memory: 1Gi
  postgres:
  Requests:
  cpu: 100m
  memory: 1Gi
  memcache:
  Requests:
  cpu: 100m
  memory: 256Mi
  redis:
  Requests:
  cpu: 100m
  memory: 512Mi

Expected behavior:

• Tickets downloaded

Actual behavior:

• getting 422 response

Steps to reproduce the behavior:

1. Download tickets