What does the error message M7086-PLC denote?

Can you explain the context of the KM-ASSYM5-06 error id of 87?

What does the phrase "M7086-PLC timed out while waiting for the area
The solution for the M7086-PLC timed out while waiting for the area identification completion signal from the host computer is to check the settings and configuration of the communication protocol between the PLC and the host computer. Make sure that