# Simple Note System, version 2
## Error Code Reference

### General Codes
| Name         | Code | Meaning                               |
|--------------|------|---------------------------------------|
| ERR_NO_STORE |  5   | the SNS store needs to be initialized |
| ERR_NO_ARGS  |  10  | No arguments were specified           |
| ERR_NO_OP    |  20  | No operation was specified            |
| ERR_NO_NOTE  |  30  | A required argument was not provided  |

### Encryption-related codes
|Name        | Code | Meaning                                               |
|------------|------|-------------------------------------------------------|
| ERR_NO_GPG | 100  | Encryption is enabled, but GPG is not installed       |
| ERR_NO_KEY | 110  | Encryption is enabled, but no recipient was specified |

### Creation-related codes
|Name             | Code | Meaning                           |
|-----------------|------|-----------------------------------|
| ERR_NOTE_EXiSTS | 200  | The specified note already exists |
| ERR_NOTE_NO_READ| 205  | The specified note cannot be read |