What happened to EGLL Ground ATC?

ATC
1

Screenshot_2023-08-02-19-20-41-765_com.fds.infiniteflight
Screenshot_2023-08-02-19-20-41-765_com.fds.infiniteflight1920×864 129 KB

The EGLL Ground has onguard for 20 hours, but the ATC failed to reply a single instruction.
I think there must be someone just leave the position alone. I need a ATC report button to report ATC like this.

2

See below: