https://community.appian.com/discussions/f/administration/35256/open-id-connect-oidc-authenticationI&#39;m trying to use an OIDC connection to my Amplify page (Via AWS Cognito), but I&#39;m getting an invalid nonce error. Is it mandatory to use nonce? I&#39;m ignoring him on my page org.springframework.security.oauth2.core.OAuth2AuthenticationException: [invalid_nonceen-USTelligent Community 12https://community.appian.com/thread/136972?ContentTypeID=1Mon, 17 Jun 2024 17:07:23 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:80d8cb8a-18f9-4346-9483-ef5379513df2tiagosantos<pre id="tw-target-text" class="tw-data-text tw-text-large tw-ta" dir="ltr" data-placeholder="Tradu&ccedil;&atilde;o" data-ved="2ahUKEwjo37zpjuOGAxUhJLkGHdqAOQkQ3ewLegQIBRAU"><span class="Y2IQFc" lang="en">I&#39;m using this solution to create a custom login screen.<br /><span><a href="https://github.com/awslabs/aws-amplify-identity-broker">github.com/.../aws-amplify-identity-broker</a></span> Appian calls endpint /token, but cannot find the nonce. the error that occurs is on Appian&#39;s side</span></pre><div style="clear:both;"></div>https://community.appian.com/thread/136965?ContentTypeID=1Mon, 17 Jun 2024 16:16:48 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:cec7049e-c1d8-4e95-b038-d64f4843429fDavid Jimenez <p>This error seems to be related with COgnito... do you see any errors there? Maybe in logs?</p><div style="clear:both;"></div>