---
url: >-
  https://adk.nht.io/api/@nhtio/adk/batteries/variables/E_ISOLATE_FUNCTION_REQUIRES_SOURCE_REHYDRATION.md
description: >-
  Thrown when [`isolateFunction`](https://adk.nht.io/api/@nhtio/adk/batteries/functions/isolateFunction) is called without the literal `{
  allowSourceRehydration: true }` acknowledgement. Fatal: this is a
  configuration/call-site error, caught before anything is spawned.
---

# Variable: E\_ISOLATE\_FUNCTION\_REQUIRES\_SOURCE\_REHYDRATION

```ts
const E_ISOLATE_FUNCTION_REQUIRES_SOURCE_REHYDRATION: CreatedException<
  [string]
>;
```

Defined in: [src/batteries/isolation/isolate\_function.ts:72](https://github.com/NHTIO/ADK/blob/v1.20260713.1/src/src/batteries/isolation/isolate_function.ts#L72)

Thrown when [isolateFunction](../functions/isolateFunction.md) is called without the literal `{ allowSourceRehydration: true }`
acknowledgement. Fatal: this is a configuration/call-site error, caught before anything is spawned.