Login to Course not working

I’m not able to login to URL - https://itversity.com/login/ using my social media account, gmail. But I’m able to access labs and forums.
it is giving below error

Authorization Error
Error 400: redirect_uri_mismatch

Learn Spark 1.6.x or Spark 2.x on our state of the art big data labs

  • Click here for access to state of the art 13 node Hadoop and Spark Cluster