self-hosted-sandboxes-operations changedmanaged-agents/self-hosted-sandboxes-operations
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331331
332332If the worker cannot mount a memory store when it claims a session, it fails the work item. The session emits no error event and stays idle.
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334| Symptom | Cause | Fix |
335| --------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
336| The worker log contains `the work item carried no sessions token` (in Go, the `ErrSessionMemoryNoToken` error) and the work item fails. | The work item's per-session `secret` did not reach the worker. Either your code did not forward it, or memory stores on self-hosted sandboxes are not enabled for your organization. | [Forward the work item's secret](https://platform.claude.com/docs/en/managed-agents/self-hosted-sandboxes-workers#forward-the-work-items-secret). If the worker polls and runs sessions in one process and still logs this, contact support. |
337| The worker log contains `something already exists at the memory store's path`. | A directory left over from a previous session, usually one whose worker was killed before its teardown ran. | Remove the leftover directory that the log line names. Edits in it that had not synced are lost. |
338| The worker log contains `cannot create the memory store's folder` and `the worker host must make this mount path writable`. | The user the worker runs as cannot create directories under `/mnt/memory`. | Create `/mnt/memory` and `chown` it to that user. See [Prepare the host](https://platform.claude.com/docs/en/managed-agents/self-hosted-sandboxes-memory#prepare-the-host). |
339| The session sits `idle` with a `requires_action` stop reason and no error event shortly after a worker claimed it. | The worker failed the work item because it could not mount a memory store, for one of the preceding reasons. | Fix the cause on the host, then send a [`user.interrupt`](https://platform.claude.com/docs/en/managed-agents/events-and-streaming#integrating-events) event. The session's work is queued again, and the next worker that claims it retries the mount. |
334| Symptom | Cause | Fix |
335| --------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
336| The worker log contains `the work item carried no sessions token` (in Go, the `ErrSessionMemoryNoToken` error) and the work item fails. | The work item's per-session `secret` did not reach the worker. Either your code did not forward it, or memory stores on self-hosted sandboxes are not enabled for your organization. | [Forward the work item's secret](https://platform.claude.com/docs/en/managed-agents/self-hosted-sandboxes-workers#forward-the-work-items-secret). If the worker polls and runs sessions in one process and still logs this, contact support. |
337| The worker log contains `something already exists at the memory store's path`. | A directory left over from a previous session, usually one whose worker was killed before its teardown ran. | Remove the leftover directory that the log line names. Edits in it that had not synced are lost. |
338| The worker log contains `cannot create the memory store's folder` and `the worker host must make this mount path writable`. | The user the worker runs as cannot create directories under `/mnt/memory`. | Create `/mnt/memory` and `chown` it to that user. See [Prepare the host](https://platform.claude.com/docs/en/managed-agents/self-hosted-sandboxes-memory#prepare-the-host). |
339| The session sits `idle` with a `requires_action` stop reason and no error event shortly after a worker claimed it. | The worker failed the work item because it could not mount a memory store, for one of the preceding reasons. | Fix the cause on the host, then send a [`user.interrupt`](https://platform.claude.com/docs/en/managed-agents/events-and-streaming#interrupt-the-agent) event. The session's work is queued again, and the next worker that claims it retries the mount. |
340340
341341### A custom tool call never returns
342342
No line in this hunk matches that.