[Unity] The Unity3D plugin is unlicensed in your Plastic SCM server

Symptoms:

Receiving the following error when trying to use the Unity plugin for Plastic SCM:

“The Unity3D plugin is unlicensed in your Plastic SCM server”   

Cause:

This is usually because your license does not include plugin support. 

Resolution:

Review your license and check if it has Unity3D support enabled. To get your license information, run the following command:

cm licenseinfo

If your license does include Unity3D support and you are still having issues, please contact our support team.