As per my knowledge, a possible explanation for this would be because this is a network license, you will have to retrieve the license.dat file from the license server your organization hosts (or set one up if you have not already). If you have not configured your license server yet, Please check the link below for instructions for doing so:
How do I install or update the Network License Manager?
And once you have done so please refer this:
How do I install a MATLAB client for a network license?
If the issue persists, please contact MathWorks Technical Support.