WARNING: #{336} [SamlSSOAssertion.validateResponse] Error in consuming saml response net.shibboleth.utilities.java.support.logic.ConstraintViolationException: Signature cannot be null
or
The SAML authentication request issued by _MS was not signed
The SAML certificate configuration is missing signing options in the Identity Provider
Edit the Signing Options for the Entity Provider to select Sign SAML response and assertion.
Microsoft EntraID Example:
https://supportenterprisevault.cloud.com/support-home/kbsearch/article?articleNumber=100065083
Unable to configure SSO with Data Insight as there is an error related to the signing of the certificate