## 📄️Invalid courier URL

If you get an error that points you to this document, it means that your email configuration (SMTP URL) is incorrect. The most

[Learn more→](/content/docs/troubleshooting/smtp-courier-OTA-112022-01/index.html)

## 📄️CSRF troubleshooting

When you get 401 Unauthorized or 400 Bad Request responses when your application sends requests to Ory Identities APIs, it is

[Learn more→](/content/docs/troubleshooting/csrf/index.html)

## 📄️Actions troubleshooting

This document describes common issues with Ory Actions and how to solve them.

[Learn more→](/content/docs/troubleshooting/troubleshoot-actions/index.html)

## 📄️Wrong domain in magic links

After updating their custom domain, some users reported an error that caused the verification emails to come with magic links

[Learn more→](/content/docs/troubleshooting/magic-link-verification-url/index.html)

## 📄️72 character limit for BCrypt hashed secrets

BCrypt hashed passwords and secrets have a 72 character limit. This is a limitation of the BCrypt algorithm and the Golang BCrypt

[Learn more→](/content/docs/troubleshooting/bcrypt-secret-length/index.html)

## 📄️Social sign-in troubleshooting

Redirect loops after registration

[Learn more→](/content/docs/troubleshooting/troubleshooting-social-sign-in/index.html)

## 📄️Troubleshooting iframes

Iframes can pose a significant security risk for authentication services due to many attack vectors such as clickjacking, iframe

[Learn more→](/content/docs/troubleshooting/iframes/index.html)

## 📄️OAuth2 JWT Profile

If you're experiencing issues on Ory Network related to the required audience for the

[Learn more→](/content/docs/troubleshooting/oauth2-trust-audience/index.html)

## 📄️OIDC requires `redirect_uri`

Starting no sooner than August 1st, 2024, Ory Network will enforce the inclusion of redirect_uri in OpenID Connect flow

[Learn more→](/content/docs/troubleshooting/mandatory-redirect-uri/index.html)

## 📄️WebAuthn / PassKeys SecurityError

Relying party ID mismatch

[Learn more→](/content/docs/troubleshooting/passkeys-webauthn-security-error/index.html)

## 📄️Account linking response code

Starting no sooner than April 13, 2025, Ory Network will return a 400 Bad Request instead of a 200 OK when a user signs up

[Learn more→](/content/docs/troubleshooting/account-linking-response-code/index.html)

## 📄️Google One Tap fails

If you receive an error such as

[Learn more→](/content/docs/troubleshooting/one-tap-nonce-provided-google/index.html)

## 📄️Identity Provider Integration Settings

Overview

[Learn more→](/content/docs/oauth2-oidc/identity-provider-integration-settings/index.html)

## 📄️SDK V1 upgrade guide

We are excited to announce the release of version 1.0 of Ory's Software Development Kits (SDKs) for all major languages. As part

[Learn more→](/content/docs/guides/upgrade/sdk-v1/index.html)

## 📄️OAuth2 first aid

Spec-compliant OAuth 2.0 and OpenID Connect is hard. Let's take a look how to resolve certain issues.

[Learn more→](/content/docs/hydra/debug/index.html)

## 📄️Logout not working

Sometimes, calling /oauth2/sessions/logout doesn't behave as expected, for example:

[Learn more→](/content/docs/hydra/debug/logout/index.html)

## 📄️Client auth fails

There are multiple ways of authenticating OAuth 2.0 Clients at the /oauth2/token:

[Learn more→](/content/docs/hydra/debug/token-endpoint-auth-method/index.html)