User:ItsCrocoSwine/3DS Error toolkit

Exceptions

Error On Boot

Exception Type	Problem & Solution
Any	Files on the SD are corrupted. To fix, verify that your SD card is not faulty. If it is verified working, make a backup of all intact files, format the SD card, and try booting again.
	A system save located on the NAND in [1:]/data has a problem.
	System-unique files are missing from the NAND in [1:]/rw/sys.
data abort	The shared2 folder in [2:] SYSNAND TWLN is missing. To fix, create this folder.
	System titles have been deleted. To fix, perform a Safe Mode update. If this does not work, perform a CTRTransfer.
prefetch abort (svcBreak)	The system movable, [1:]/private/movable.sed, is 288 bytes but a flag is enabled that expects a size of 320 bytes. To fix, boot into GodMode9 and select SYSNAND CTRNAND, then go into the private folder. Inside this folder, you will see a file named movable.sed. Select it, and under the options menu, select Show in Hexeditor. Green-colored numbers will appear in the middle of the screen - press A and then unlock writing to sysNAND (lvl2). At the beginning of the file, look for the set of numbers 53 45 45 44 00 01. Once you find these numbers, hold A and press D-PAD DOWN while the 01 value is highlighted to change it to 00. Press B, then A, then B to save changes and exit from the hexeditor, then press START to reboot your console.
	SYSNAND CTRNAND has bad CMACs. To fix, press R+A on the SYSNAND CTRNAND drive and Fix CMACs for drive. The console will act like it has been formatted after this, and this is intended.
prefetch abort (kernel panic)	The console likely has a hardware issue.
undefined instruction	The console likely has a hardware issue.

Error During Use

Exception Type	Problem & Solution
data abort	Files on the SD are corrupted. To fix, verify that your card is not faulty. If it is verified working, make a backup of all intact files, format the SD card, and try again.

Error On Boot

Current Process	Exception Type	Problem & Solution
boss	data abort	The current firmware version is too old for SpotPass to work. Perform a Safe Mode update. If this does not work, you may require a CTRTransfer.
fs	any	Can be anything from SD card problems to hardware issues.
hid	any	Potential hardware problems.
ic2, spi	any	The console has a serious hardware issue that likely is not easily fixable. Join the Nintendo Homebrew Discord and ask, in English, for help.
mset	any	System Settings is broken in some way - this may indicate that the console has a hardware issue. To fix, perform a CTRTransfer, or a Manual CTRTransfer if that does not work. If neither of these work, the console has a serious issue. Join the Nintendo Homebrew Discord and ask, in English, for help.
menu	data abort	Broken HOME Menu theme. To fix, go into the folder sd:/Nintendo 3DS/<ID0>/<ID1>/extdata/00000000/ and delete the folder matching your region, one of the following: USA: 000002cd EUR: 000002ce JPN: 000002cc
		Broken HOME Menu extra data. To fix, go into the folder sd:/Nintendo 3DS/<ID0>/<ID1>/extdata/00000000/ and delete the folder matching your region, one of the following: USA: 0000008f EUR: 00000098 JPN: 00000082 KOR: 000000A9
		Broken HOME Menu application. To fix, either perform a Safe Mode update, attempt to enter System Settings before the crash occurs and delete the application in Data Management, or reformat the SD card.
	prefetch abort	An installation of menuhax is conflicting with the custom firmware. To fix, place the menuhax67_installer.3dsx file from [this download] into sd:/3ds, run it through Homebrew Launcher, and choose REMOVE.
	prefetch abort (svcBreak)	The f000000b folder in SYSNAND CTRNAND is broken, its exact location being at [1:]/data/<ID0>/extdata/00048000/f000000b. To fix, backup f000000b by pressing R+A while highlighting it, then selecting Copy to 0:/gm9/out. Once it is backed up, delete the folder. If this does not fix the issue, copy the folder back where it was.
ns	prefetch abort (svcBreak)	The Luma configuration setting Autoboot Homebrew is set to boot to a title that does not exist. To fix, disable the option or install an application that matches the title ID set in sd:/luma/config.ini.
nwm	any	The WiFi chipset's hardware is damaged or dead. To fix, replace the WiFi chipset with a new one. To avoid the error until then, disable WiFi on the 3DS and do not turn it back on. If the 3DS is an old model, you can disable WiFi with an external switch. New models must instead disable it through the HOME Menu Settings or Rosalina. Repeatedly pressing the keycombo for Rosalina while powering on might let you access Rosalina before it can crash.
pm	undefined instruction	The installed version of Luma3DS likely does not support the current firmware version. This is guaranteed to be true if the contents of R0 are E0E01BF5. To fix, update CFW.

Error During Use

Current Process	Exception Type	Problem & Solution
3dsx_app	any	The .3dsx file you opened is corrupted. To fix, download a new copy of the .3dsx file. If this error happens when you open the Homebrew Launcher, download a new copy of boot.3dsx. If the error still happens, test your SD for errors.
app CtrApp	any	The app you last opened is trying to use broken software. To fix, disable all game mods, cheat codes, and plugins to ensure they are not the cause. If the error still happens, then the game itself is likely faulty. If it is a system app, perform a CTRTransfer. Otherwise, if it is a cartridge dump, redump it, if it is an eShop game, click the Repair button at the bottom of its eShop page or delete and reinstall it, or if it is a cartridge, clean the cartridge and the 3DS cartridge reader with isopropyl alcohol.
GARDEN	any	Animal Crossing's game data or savedata is having issues. To fix, disable all game mods, cheat codes, and plugins to ensure they are not the cause. If the error still happens, then the game itself may be faulty. If it is a cartridge dump, redump it, if it is an eShop game, click the Repair button at the bottom of its eShop page or delete and reinstall it, or if it is a cartridge, clean the cartridge and the 3DS cartridge reader with isopropyl alcohol. If the error yet still happens, ensure that you have not used a save editor before the error started happening. If you have used a save editor, the edits are broken and you will need to restore a backed-up save, or wipe the save and start over if you have no backup.
fs	any	Can be anything from SD card problems to hardware issues.
Kujira Joker niji_loc	any	The app you last opened has an issue of some kind. To fix, disable all game mods, cheat codes, and plugins to ensure they are not the cause. If the error still happens, ensure the game is the same region as the console - if it is not, force the game to use the correct region. If the error yet still happens, then the game itself is likely faulty. If it is a cartridge dump, redump it. If it is an eShop game, click the Repair button at the bottom of its eShop page or delete and reinstall it. If it is a cartridge, clean the cartridge and the 3DS cartridge reader with isopropyl alcohol.
loader	undefined instruction	The app you last opened has an issue. If the contents of R0 start with C or D, R0 is an error code. Most of the possible error codes for this are also listed on this page.
mset	any	System Settings is broken in some way - this may indicate that the console has a hardware issue. To fix, perform a CTRTransfer, or a Manual CTRTransfer if that does not work. If neither of these work, the console has a serious issue. Join the [Nintendo Homebrew Discord] and ask, in English, for help.
nwm	any	The WiFi chipset's hardware is damaged or dead. To fix, replace the WiFi chipset with a new one. To avoid the error until then, disable WiFi on the 3DS and do not turn it back on. If the 3DS is an old model, you can disable WiFi with an external switch. New models must instead disable it through the HOME Menu Settings or Rosalina. Repeatedly pressing the keycombo for Rosalina while powering on might let you access Rosalina before it can crash.
qtm cam	any	The camera's hardware is damaged or dead. To fix, replace the camera with a new one. To avoid the error until then, disconnect the camera or avoid using anything that activates the camera.