From UABgrid Documentation
The MATLAB client shows the following warning "Your MATLAB license will expire in xx days. Please contact your system administrator or MathWorks to renew this license."
This is informational for the End-Users and UAB's new MATLAB license will available before Jan 30, 2016. End users will be able update to the new license after Jan 15, 2016 by clicking --> Help --> Licensing --> Update Current License on the MATLAB client