Error 16

21:18:05.761 -> Welcome to ProffieOS ProffieOS 7.8. Sabersense, Thrawn Short SD test.
21:18:05.761 -> For available serial commands, see:
21:18:05.761 -> https://pod.hubbe.net/tools/serial-monitor-commands.html
21:18:06.190 -> SD check error: 16
21:18:06.190 -> Failed to mount SD card.
21:18:07.216 -> SD check error: 16
21:18:07.216 -> Failed to mount SD card.
21:18:08.182 -> SD check error: 16
21:18:08.182 -> Failed to mount SD card.
21:18:09.201 -> SD check error: 16
21:18:09.201 -> Failed to mount SD card.
21:18:10.209 -> SD check error: 16
21:18:10.209 -> Failed to mount SD card.
21:18:11.209 -> SD check error: 16
21:18:11.209 -> Failed to mount SD card.
21:18:12.188 -> SD check error: 16
21:18:12.188 -> Failed to mount SD card.
21:18:13.206 -> SD check error: 16
21:18:13.206 -> Failed to mount SD card.
21:18:14.202 -> SD check error: 16
21:18:14.202 -> Failed to mount SD card.
21:18:20.733 -> Welcome to ProffieOS ProffieOS 7.8. Sabersense, Thrawn Short SD test.
21:18:20.733 -> For available serial commands, see:
21:18:20.733 -> https://pod.hubbe.net/tools/serial-monitor-commands.html
21:18:20.967 -> Saving Global State
21:18:21.005 -> Amplifier off.
21:18:21.980 -> Unmounting SD Card.
21:18:34.760 -> Welcome to ProffieOS ProffieOS 7.8. Sabersense, Thrawn Short SD test.
21:18:34.760 -> For available serial commands, see:
21:18:34.760 -> https://pod.hubbe.net/tools/serial-monitor-commands.html
21:18:35.295 -> I2C init..
21:18:35.295 -> Motion chip ... 105 found.
21:18:35.295 -> EVENT: Clash millis=1503
21:18:40.281 -> Amplifier off.
21:18:41.237 -> Unmounting SD Card.
21:18:49.802 -> Welcome to ProffieOS ProffieOS 7.8. Sabersense, Thrawn Short SD test.
21:18:49.802 -> For available serial commands, see:
21:18:49.802 -> https://pod.hubbe.net/tools/serial-monitor-commands.html
21:18:50.186 -> I2C init..
21:18:50.186 -> Motion chip ... 105 found.
21:18:50.186 -> EVENT: Clash millis=1502
21:18:52.963 -> Amplifier off.
21:18:53.925 -> Unmounting SD Card.
21:19:02.799 -> Welcome to ProffieOS ProffieOS 7.8. Sabersense, Thrawn Short SD test.
21:19:02.799 -> For available serial commands, see:
21:19:02.799 -> https://pod.hubbe.net/tools/serial-monitor-commands.html
21:19:03.457 -> SD check error: 16
21:19:03.457 -> Failed to mount SD card.
21:19:04.458 -> SD check error: 16
21:19:04.458 -> Failed to mount SD card.
21:19:05.475 -> SD check error: 16
21:19:05.475 -> Failed to mount SD card.
21:19:06.484 -> SD check error: 16
21:19:06.484 -> Failed to mount SD card.
21:19:07.457 -> SD check error: 16
21:19:07.457 -> Failed to mount SD card.
21:19:08.465 -> SD check error: 16
21:19:08.465 -> Failed to mount SD card.
21:19:09.477 -> SD check error: 16
21:19:09.477 -> Failed to mount SD card.
21:19:10.472 -> SD check error: 16
21:19:10.472 -> Failed to mount SD card.
21:20:25.982 -> Welcome to ProffieOS ProffieOS 7.8. Sabersense, Thrawn Short SD test.
21:20:25.982 -> For available serial commands, see:
21:20:25.982 -> https://pod.hubbe.net/tools/serial-monitor-commands.html
21:20:26.195 -> I2C init..
21:20:26.195 -> Motion chip ... 105 found.
21:20:26.195 -> EVENT: Clash millis=1501
21:20:29.122 -> Amplifier off.
21:20:30.098 -> Unmounting SD Card.
21:20:44.695 -> Battery voltage: 0.12
21:21:04.676 -> Battery voltage: 0.10