Login based access denied.
When you try to log in to SketchUp Pro, the following message appears：

“Device limit reached, please sign out from another device”

You will see this message if you try to run SketchUp on too many machines. To fix this, just follow these steps and you will be fine.

Step 1：Login Trimble ID management dashboard

Input your own Trimble ID

Input your own password

Step 2：Find out SketchUp Pro from right category

(1) Find your own (company) name on left side

(2) Click【檢視包含的應用程式 / View Included Applications】

(3) Click【管理裝置 / Manage Devices】on SketchUp Pro ribbon

Step 3：Confirm Deauthorization

Click 【全部取消授權 / Deauthorize All】 and you will be forced to log out from all devices.

Then you can login your Trimble ID while using SketchUp Pro next time.