pilot client error

  i have this error in  pilot client

[12:18:09] POSCON Pilot Client version 1.0.4
[12:18:09] Checking for changes to installed models...
[12:18:09] No changes found.
[12:18:09] Connected to simulator: KittyHawk (11.0.282174.999)
[12:18:09] Custom model matching rules loaded.
[12:26:43] Connecting to network...
[12:26:43] Connection state: Authorizing.
[12:26:44] Connection state: RentingAircraft.
[12:26:44] Connection state: Connecting.
[12:26:54] Connection state: Disconnected.
[12:26:54] You have been disconnected from POSCON, reason: Signing in timed out
[12:27:21] Connecting to network...
[12:27:21] Connection state: Authorizing.
[12:27:22] Connection state: RentingAircraft.
[12:27:22] Connection state: Connecting.
[12:27:22] Connection state: Connected.
[12:27:33] Voice error: Connection has been shutdown by transport. Error Code: 0x80410005
[14:35:01] Connection state: Disconnected.
[14:35:01] Disconnected from network.
[14:49:12] Connecting to network...
[14:49:12] Connection state: Authorizing.
[14:49:12] Connection state: RentingAircraft.
[14:49:13] Connection state: Connecting.
[14:49:13] Connection state: Connected.
[14:49:13] Voice error: Object reference not set to an instance of an object.
[16:15:04] Connection state: Authorizing.
[16:15:04] Connection state: RentingAircraft.
[16:15:05] Connection state: Connecting.
[16:15:16] Connection state: Disconnected.
[16:15:16] You have been disconnected from POSCON, reason: Signing in timed out
[16:15:25] Connecting to network...
[16:15:25] Connection state: Authorizing.
[16:15:25] Connection state: RentingAircraft.
[16:15:26] Connection state: Connecting.
[16:15:26] Connection state: Connected.
[16:15:26] Voice error: Object reference not set to an instance of an object.