I have uploaded the logs and site registration details here - https://www.dropbox.com/sh/ikz1hmab2u6ij66/AACtua5w7w1avN3l7_AlUW5Ia?dl=0
After changing the acr to simple_password_auth, login page is displayed but upon entering username/password, there is consent screen displayed. But upon clicking allow, there is error as uploaded.