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add description and recommendations for error codes #22

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add description and recommendations for error codes #22

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22 changes: 22 additions & 0 deletions include/navigine/navigation-core/README.md
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Expand Up @@ -55,3 +55,25 @@ The line types are shown below.
### Type 900 - Comment

```{“timestamp”: <timestamp>, “type”: 900, “comment”: <comment>}```

# Description of error codes

| Error code | Description |
| :--------: | ------------------------------------------------------------------------------------------------------- |
| 0 | Successful navigation status |
| -1 | There are no reference points on the level, or their number is less than three for the KNN algorithm |
| 4 | No radio measurements for all algorithms or no radio measurements and no steps for the PF_PDR algorithm |
| 7 | Reference point triangulation error for the KNN algorithm |
| 30 | Level not defined |
| 32 | Particle mutation error for the PF algorithm |
| 33 | Particle sampling error for the PF algorithm |

## Recommendations for correcting errors

For all cases check that you are using the latest version of your map.

1. For error with code *-1* check that measure.xml is not empty.
2. For errors with codes *4* and *30*, make sure you add beacons to the map and receive data from them (the added beacons should be displayed in DEBUG mode).
3. For error with code *7* check that the reference points do not lie in barriers.
4. Otherwise, write a log along polyline and send it to support@navigine.com.