> For the complete documentation index, see [llms.txt](https://sebloix.gitbook.io/gstore-node/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://sebloix.gitbook.io/gstore-node/v8.x/appendix/error-codes.md).

# Error Codes

* ERR\_ENTITY\_NOT\_FOUND // When fetching an entity by Key that is not in Datastore

## Validation

Here is the list of error codes returned by the gstore Validation. Joi validation will have different code, please refer to their documentation.

* ERR\_GENERIC // Generic Error type
* ERR\_VALIDATION // Global Validation Error (on the whole schema)
* ERR\_PROP\_TYPE // Property Type error
* ERR\_PROP\_VALUE // Property Value error
* ERR\_PROP\_NOT\_ALLOWED // Property not allowed
* ERR\_PROP\_REQUIRED // Property is required
* ERR\_PROP\_IN\_RANGE // Value not in the defined values