Assuming that the first block of errorlog is grabbed from your browser: What does the sprintr.mendix.com > Apps > logs > application log have to say about this? It will probably elaborate on the cause.
SAML setups can not be done locally and should always be done in the cloud because of the keystores, URL directs etc.
Regards,
Ronald
Note that just running it locally should work. You indeed get an error in your logs when starting but that does not prohibit the app from starting locally.
Just an update in “RetrieveIdpMetadta” microflow doesnt look like $NewIdPMetadata gets applied.
I have added change object that commits to DB and sets “SAML20.SSOConfiguration_IdpMetadata” to $NewIdPMetadata. which seems to resolve the issue locally.