Login error: We can’t find an active version of the login flow. For help, contact your Salesforce administrator. Please help!

Oh ok, then please follow any of the two threads as they faced the same issue: https://salesforce.stackexchange.com/questions/130799/we-can-t-find-an-active-version-of-the-login-flow-for-help-contact-your-salesf https://developer.salesforce.com/forums/?id=9060G000000XcXiQAK