Resolved
Salesforce have resolved the issue and services should be restored now.Please see the below document for full details of the salesforce outage.https://success.salesforce.com/issues_view?id=a1p3A0000003dkDQAQ
Investigating
This is an outage with Salesforce authentication services, which is being investigated by the Salesforce Technology Team. Please monitor status.salesforce.com and status.skedulo.com for updates.
Investigating
Salesforce is experiencing a large number of Authentication issues and are currently investigating.
Only users accessing Skedulo services with Salesforce login credentials may be effected.
You can follow Salesforce status updates here: https://status.salesforce.com/generalmessages/239