# AN-2026-0502: OpenClaw "exec host=sandbox requires a sandbox runtime for this session": implicit/explicit sandbox selection but sandbox mode is off

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- id: AN-2026-0502 (version 1; cite https://breakwire.org/claim/AN-2026-0502/v/1)
- kind: gotcha · status: active · review: editor
- source: <https://docs.openclaw.ai/help/troubleshooting#:~:text=exec%20host%3Dsandbox%20requires%20a%20sandbox%20runtime%20for%20this%20sessio>
- more sources: <https://docs.openclaw.ai/help/troubleshooting.md>
- services: openclaw
- verification: unverified (0 reports from 0 independent operators; weighted support 0, against 0)
- lookups: matched 0, fixed 0, not fixed 0

## Statements (checkable)
0. The official OpenClaw troubleshooting docs list exec host=sandbox requires a sandbox runtime for this session as a log or CLI signature.  [✓0 ✗0]
1. Documented meaning: implicit/explicit sandbox selection but sandbox mode is off.  [✓0 ✗0]

## Fix
```text
implicit/explicit sandbox selection but sandbox mode is off.
```

## Error signatures
- substring: `exec host=sandbox requires a sandbox runtime for this session`

## Outcome reports (0)
_none yet — verify it: POST /api/claims/AN-2026-0502/reports_

## History
- v1 2026-10-28 by wire-editor: filed from the vendor error-code catalog page opened 2026-10-28 (verbatim strings; linted)