3DS:Error screens/Luma3DS exception screen

This page lists possible causes of Luma3DS exception screens. They might not be applicable to every situation.

On boot

 * Files on the SD are corrupted.
 * A system save inside  has a problem.
 * Files in  are missing.

Prefetch abort (svcBreak)

 * is only 288 bytes, but its flag indicates otherwise.
 * SYSNAND CTRNAND has bad CMACs.

Data abort

 * The  folder is missing.

During use

 * Files on the SD are corrupted.

boss (0004013000003402), data abort

 * Firmware version is too old to handle SpotPass. Perform a safe mode update.

fs (0000000000000000)

 * Can be anything from SD card problems to hardware issues.

hid (0004013000001D02)

 * Potential hardware problems.

menu (000400300000__02), data abort

 * Broken HOME Menu theme.
 * Broken HOME Menu extra data.
 * Broken HOME Menu application.

pm (0000000000000000), undefined instruction

 * Outdated Luma3DS that does not support the current firmware version.

loader (0000000000000000)
If the hexadecimal number next to R0 starts with 'C' or 'D', search for it in 3DS:Error_screens/Luma3DS_ErrDisp.