I just got my Switch working, and my atmosphere now doesn't work. It crashes on the Nintendo Switch logo. I just wiped my SD card and did a clean install of Atmosphere and still got this message.
Error Code: 2101-0001 (0x265)
Program: 010000000000006
Firmware: 10.0.0 (Atmosphere 0.11.1-master-d81a3bdc)
Error Code: 2101-0001 (0x265)
Program: 010000000000006
Firmware: 10.0.0 (Atmosphere 0.11.1-master-d81a3bdc)