{"record":{"id":"9a3094a15b2273cf","repo":"paperclipai/paperclip","slug":"this-instance-runs-agents-only-in-its-platform-man","errorCode":null,"errorMessage":"This instance runs agents only in its platform-managed sandbox environment (managed sandbox only), but no active managed sandbox environment exists — its provider plugin may be unavailable. Refusing to fall back to local execution.","messagePattern":"This instance runs agents only in its platform-managed sandbox environment \\(managed sandbox only\\), but no active managed sandbox environment exists — its provider plugin may be unavailable\\. Refusing to fall back to local execution\\.","errorType":"exception","errorClass":"ManagedSandboxUnavailableError","httpStatus":null,"severity":"error","filePath":"server/src/services/execution-workspace-policy.ts","lineNumber":291,"sourceCode":"        source: \"agent\",\n      };\n    }\n    if (input.instanceDefaultEnvironmentId) {\n      return {\n        environmentId: input.instanceDefaultEnvironmentId,\n        source: \"instance\",\n      };\n    }\n    return {\n      environmentId: input.localDefaultEnvironmentId,\n      source: \"default\",\n    };\n  })();\n  if (input.managedSandboxOnly !== true || resolved.environmentId !== input.localDefaultEnvironmentId) {\n    return resolved;\n  }\n  if (!input.managedSandboxEnvironmentId) {\n    throw new ManagedSandboxUnavailableError();\n  }\n  return { environmentId: input.managedSandboxEnvironmentId, source: \"managed\" };\n}\n\nexport function defaultIssueExecutionWorkspaceSettingsForProject(\n  projectPolicy: ProjectExecutionWorkspacePolicy | null,\n): IssueExecutionWorkspaceSettings | null {\n  if (!projectPolicy?.enabled) return null;\n  return {\n    mode:\n      projectPolicy.defaultMode === \"isolated_workspace\"\n        ? \"isolated_workspace\"\n        : projectPolicy.defaultMode === \"operator_branch\"\n          ? \"operator_branch\"\n          : projectPolicy.defaultMode === \"adapter_default\"\n            ? \"agent_default\"\n            : \"shared_workspace\",\n  };","sourceCodeStart":273,"sourceCodeEnd":309,"githubUrl":"https://github.com/paperclipai/paperclip/blob/120ae5428fa29bee300bcf806491cd4d965fbb7c/server/src/services/execution-workspace-policy.ts#L273-L309","documentation":"Error \"This instance runs agents only in its platform-managed sandbox environment (managed sandbox only), but no active managed sandbox environment exists — its provider plugin may be unavailable. Refusing to fall back to local execution.\" thrown in paperclipai/paperclip.","triggerScenarios":"Thrown at server/src/services/execution-workspace-policy.ts:291 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Restore the managed sandbox environment (check its provider plugin availability) before running agents.","Change the instance execution policy if local execution fallback is acceptable."],"exampleFix":null,"handlingStrategy":"validation","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"120ae5428fa29bee300bcf806491cd4d965fbb7c","analyzedAt":"2026-08-18T22:49:45.177Z","contentChangedAt":"2026-08-18T22:49:45.177Z","schemaVersion":2},"datasetVersion":"2026-09-14T05:17:10.506Z"}