The error thrown by smexportonshape described above has been recorded in the following bug report:
You can try the workaround mentioned in the report or update to R2020a.
You can also verify the following:
- Ensure there are no AntiVirus of Firewalls installed on the system that are blocking anything in the MATLAB installation directory.
- Check to see if there are any restrictions on the user account and computer that may prevent MATLAB from using its embedded web framework.
- If your network setting uses HTTP proxy, modify your network configuration to add an HTTP proxy exception.