Update 12:10 AM UTC
We have resolved the issue. Customers can now use the Cloud-powered support feature.
LCS users are experiencing issues filing support incident cases for Microsoft Dynamics AX 2012 R2/R3 using the Cloud-powered support service through LCS. We are currently having a service issue fetching topics, subtopics and associated account information.
We are actively working on addressing this issue and will post an update once this is fixed. We are sorry for the inconvenience.