Error codes

All system error codes follow a shared format.

Bits	Description
0-9	Description
10-17	Module
21-26	Summary
27-31	Level

For the description field, codes in range 1000(?)~1023 is common to all modules, while codes outside this range are defined independently by each module.

Description ranges: (some if not all of these could be specifically for fs-module)

Num	Description
100-179	Not found
130-179 (subset of previous)	Media not found
180-199	Exists already
200-219	Not enough space
220-229	Invalidated archive
230-339	Unacceptable
260-279 (subset of previous)	Write protected
360-389	Bad format
390-399	Verification failure
600-629	Out of resources
630-660	Access denied
700-729	Invalid argument
730-749	Not initialized
750-759	Already initialized
760-779	Not supported

Description values:

Num	Description
0	Success
2	Invalid memory permissions (kernel)
4	Invalid ticket version (AM)
5	Invalid string length. This error is returned when service name length is greater than 8 or zero. (srv)
6	Access denied. This error is returned when you request a service that you don't have access to. (srv)
7	String size does not match string contents. This error is returned when service name contains an unexpected null byte. (srv)
8	Camera already in use/busy (qtm).
10	Not enough memory (os)
26	Session closed by remote (os)
32	Empty CIA? (AM)
37	Invalid NCCH? (AM)
39	Invalid title version (AM)
43	Database doesn't exist/failed to open (AM)
44	Trying to uninstall system-app (AM)
47	Invalid command header (OS)
101	Archive not mounted/mount-point not found (fs)
105	Request timed out (http)
106	Invalid signature/CIA? (AM)
120	Title/object not found? (fs)
141	Gamecard not inserted? (fs)
230	Invalid open-flags / permissions? (fs)
271	Invalid configuration (mvd).
391	NCCH hash-check failed? (fs)
392	RSA/AES-MAC verification failed? (fs)
393	Invalid database? (AM)
395	RomFS/Savedata hash-check failed? (fs)
630	Command not allowed / missing permissions? (fs)
702	Invalid path? (fs)
761	Incorrect read-size for ExeFS? (fs)
1000	Invalid selection
1001	Too large
1002	Not authorized
1003	Already done
1004	Invalid size
1005	Invalid enum value
1006	Invalid combination
1007	No data
1008	Busy
1009	Misaligned address
1010	Misaligned size
1011	Out of memory
1012	Not implemented
1013	Invalid address
1014	Invalid pointer
1015	Invalid handle
1016	Not initialized
1017	Already initialized
1018	Not found
1019	Cancel requested
1020	Already exists
1021	Out of range
1022	Timeout
1023	Invalid result value

Summary values:

Num	Description
0	Success
1	Nothing happened
2	Would block
3	Out of resource
4	Not found
5	Invalid state
6	Not supported
7	Invalid argument
8	Wrong argument
9	Canceled
10	Status changed
11	Internal
63	Invalid result value

Module values:

Num	Description
0	Common
1	Kernel
2	Util
3	File server
4	Loader server
5	TCB
6	OS
7	DBG
8	DMNT
9	PDN
10	GSP
11	I2C
12	GPIO
13	DD
14	CODEC
15	SPI
16	PXI
17	FS
18	DI
19	HID
20	CAM
21	PI
22	PM
23	PM_LOW
24	FSI
25	SRV
26	NDM
27	NWM
28	SOC
29	LDR
30	ACC
31	RomFS
32	AM
33	HIO
34	Updater
35	MIC
36	FND
37	MP
38	MPWL
39	AC
40	HTTP
41	DSP
42	SND
43	DLP
44	HIO_LOW
45	CSND
46	SSL
47	AM_LOW
48	NEX
49	Friends
50	RDT
51	Applet
52	NIM
53	PTM
54	MIDI
55	MC
56	SWC
57	FatFS
58	NGC
59	CARD
60	CARDNOR
61	SDMC
62	BOSS
63	DBM
64	Config
65	PS
66	CEC
67	IR
68	UDS
69	PL
70	CUP
71	Gyroscope
72	MCU
73	NS
74	News
75	RO
76	GD
77	Card SPI
78	EC
79	Web Browser
80	Test
81	ENC
82	PIA
83	ACT
84	VCTL
85	OLV
86	NEIA
87	NPNS
90	AVD
91	L2B
92	MVD
93	NFC
94	UART
95	SPM
96	QTM
97	NFP (amiibo)
254	Application
255	Invalid result value

Level values:

Num	Description
0	Success
1	Info
25	Status
26	Temporary
27	Permanent
28	Usage
29	Reinitialize
30	Reset
31	Fatal