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If you are unable to rectify the error, please see the Troubleshooting section below.
Release License Function
Near the bottom of the plugin's menu, you will find the Release License function, the purpose of which is to allow for using SketchUp without tying up a Maxwell license, and without requiring that the plugin be disabled, and SketchUp restarted. It is not necessary to manually check out a license, because the plugin will automatically attempt to do so, if and when you perform an action that requires a license.
Troubleshooting
Firstly, please see the main Node Locked licensing documentation, here. If that does not help, or for issues reported by the License Activator itself, please contact Next Limit Tech Support, through your portal account, including the exact text of the error, along with information about the machine and operating system you are using.
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