An exception occurred while connecting FortiGate to EMS "Cli command is invalid internally"

[Xym_]

Hello everyone, I have encountered a problem

No matter what configuration I write, the error message in the bottom right corner will be displayed.

Cli command is invalid internally

The CLI display is shown in the following figure 

（FortiGate v7.0.9）

This is the problem I have encountered, and I have not found a corresponding solution, so I need everyone's help Thanks

[Xym_]

No matter what configuration I write, the error message in the bottom right corner will be displayed. (Supplementary pictures)