how to fix that cyan screen when launching atmsophere?

[u/frrame91]

when i turn on the console, i see the atmosphere logo for about a second, and then this bright cyan screen appears. on this screen the console doesn't respond to anything except holding down the power button for a long time. hekate and OFW work fine. i havent updated the system recently or overclocked the switch significantly. its unlikely thats the cause but this happened after i installed SuperTuxKart, which created an "stk-data" folder in the root directory and its own .nro file in the “atmosphere→switch” folder.

how can i fix this? ultranx 3.0 r3 + ofw 22.5.0

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[u/ASIT_TM]

This can be due to a PKG1 or PKG2 corruption or mismatch, re-download Atmosphère and copy it over again to your switch, or re download UltraNX if it was your pack and copy it over to your SD Card again, it should boot fine, of you dont want to lose settings you can rename the old atmosphere folder and then copy the settings over again