Tried login to salesforce using the new saleforce1 app after entering my domain url in settings , this correctly redirects to our internal SSO page and after authentication on redirect back to salesforce.com, getting oauth error- remote access authorization error . Click on

'Are you not XYZ? link ,takes to grand permission auath page, click on allow login to salesforce.com. Not sure why this is happening, anyone else has the same issue?