Ory is the largest open source community in the world for cloud software application security. We maintain advanced open source security software solving authentication, authorization, access control, application network security, and delegation. Ory implements a variety of industry and best-practice standards including OAuth 2.0 / OAuth 2.1, OpenID Connect, Zero Trust Networking, Google Zanzibar Policy Framework, FIDO2 U2F, WebAuthn, TOTP, and more.

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Hey Community,
  quetion about migration
I am updating hydra version 1.8.5 to 2.0.1 but getting following error while doing migration
```Could not apply migrations:
ERROR: insert or update on table "hydra_oauth2_access" violates foreign key constraint "hydra_oauth2_access_challenge_id_fk" (SQLSTATE 23503)
error executing migrations/20211019000001000002_merge_authentication_request_tables.postgres.up.sql, sql: -- Migration generated by the command below; DO NOT EDIT.
-- hydra:generate hydra migrate gen ```
not sure can someone guide me for this?