Symptoms
When generating the cutting plane the message Oops - The cutting plan could not be generated. Please check your internet connection and try again.
And the Refresh button is disabled, hovering over the Refresh button displays the message Unable to update the cutting plane. Please check your internet connection and try again.
Cause
The situation is happening because:
1. There is no internet connection;
Solution
1. Check the Internet connection on the computer where the cutting plan is generated.