first time I have a tipp for you !
Like discussed here https://community.nxp.com/thread/467938#comment-980540 I wanted to use S32Kv3.0.0 toolbox with R2017b and got this license error:
I made all the steps recommended and completely new downloaded and installed the toolbox.
- I generated a new license file and saved it with the file extension .lic to the installation folder
- RESET the MATLAB default paths to DEFAULT using the Set Path menu to remove all previous toolboxes
- run the mbd_s32K_path.m to add the S32K1xx into MATLAB
- added the lic folder manually to the Matlab paths
In opposite to v2.0 (which does not work with R2017b) I was not able to change the path during installation of v3.0.
So now I simply copied the installed content of v3.0 toolbox from the automatic generated path to a different folder and that solved the problem after simply running the mbd_s32K_path.m again.
Maybe the standard installation path was too long or the space in my username leads to some problems so the lic file couldn't be found.