# XP_ERROR_STORAGE_EXCEPTION

*LSL constant*

```lsl
integer XP_ERROR_STORAGE_EXCEPTION = 13;
```

Unable to communicate with the key-value store, or attempted to create a key that already exists.

Constant groups: [ExperienceError](/constants/groups/ExperienceError/)

:::note[Documentation]
This entry is documented in the LSL definitions. No matching wiki article is present in this local collection. Its inclusion here does not establish availability on every simulator.
:::

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From lsl.dev: https://lsl.dev/constants/XP_ERROR_STORAGE_EXCEPTION/