Zwift Crashed but why?

Bugs and Support
1

Just had a crash and wondering if anyone here knows why from the log file.

Kickr bike connected via companion app to PC.

[11:52:15] Unhandled characteristic KICKR BIKE 3C1D for “A026E03A-0A7D-4AB3-97FA-F1500F9FEB8B”

[11:52:15] [FTMS] Updated state from 7 to 11 and request opcode from 17 to 127

[11:52:15] [FTMS] Updated state from 11 to 7 and request opcode from 127 to 17

[11:52:15] [FTMS] SIM Grade -0.19% → 0.17%

[11:52:15] [FTMS] Updated state from 7 to 11 and request opcode from 17 to 127

[11:52:16] Unhandled characteristic KICKR BIKE 3C1D for “A026E03A-0A7D-4AB3-97FA-F1500F9FEB8B”

[11:52:16] Starting critical power curve search job (4223873) mTimeStamp = 1373.47974 m_lastSearchTime = 1373.47974 calculating=false

[11:52:16] [FTMS] Updated state from 11 to 7 and request opcode from 127 to 17

[11:52:16] [FTMS] SIM Grade 0.17% → 0.76%

[11:52:16] [FTMS] Updated state from 7 to 11 and request opcode from 17 to 127

[11:52:17] Unhandled characteristic KICKR BIKE 3C1D for “A026E03A-0A7D-4AB3-97FA-F1500F9FEB8B”

[11:52:17] ERROR: ZwiftApp Crashed

2

Happened again during a group ride, this is the log from that crash…

[12:35:49] Unhandled characteristic KICKR BIKE 3C1D for “A026E03A-0A7D-4AB3-97FA-F1500F9FEB8B”

[12:35:49] [FTMS] Updated state from 7 to 11 and request opcode from 17 to 127

[12:35:49] FPS 59.88, -136560, 23905, 30952

[12:35:50] [FTMS] Updated state from 11 to 7 and request opcode from 127 to 17

[12:35:50] [FTMS] SIM Grade -1.21% → -1.32%

[12:35:50] Unhandled characteristic KICKR BIKE 3C1D for “A026E03A-0A7D-4AB3-97FA-F1500F9FEB8B”

[12:35:50] [FTMS] Updated state from 7 to 11 and request opcode from 17 to 127

[12:35:51] [FTMS] Updated state from 11 to 7 and request opcode from 127 to 17

[12:35:51] [FTMS] SIM Grade -1.32% → -1.37%

[12:35:51] Unhandled characteristic KICKR BIKE 3C1D for “A026E03A-0A7D-4AB3-97FA-F1500F9FEB8B”

[12:36:31] NETCLIENT:[WARN] UDP connection timeout (1 so far), reconnection attempt 1

[12:36:31] NETCLIENT:[INFO] Connecting to UDP server…

[12:36:33] NETCLIENT:[INFO] UDP host 35.86.113.62:3022

[12:36:33] NETCLIENT:[INFO] Connecting to UDP server…

[12:36:40] NETCLIENT:[INFO] UDP metrics {StC Rx: 497, Rx error: 0, CtS Tx: 52, Tx error: 0}

[12:36:43] NETCLIENT:[WARN] UDP connection timeout (2 so far), reconnection attempt 2

[12:36:43] NETCLIENT:[INFO] Connecting to UDP server…

[12:36:53] NETCLIENT:[WARN] UDP connection timeout (3 so far), reconnection attempt 3

[12:36:53] NETCLIENT:[INFO] Connecting to UDP server…

[12:37:23] NETCLIENT:[WARN] UDP connection timeout (4 so far), reconnection attempt 4

[12:37:23] NETCLIENT:[INFO] Connecting to UDP server…

3

That sounds like something that you need to raise a ticket on with Zwift support.