| TOOL_SCOPE_REQUIRED | Tool authorization scope is required. | Grant the published scope for this tool or use a read-only tool within the current session. |
| AUTHORIZATION_DENIED | The current principal is not authorized for this VenueMind action. | Use an assigned Organization Membership Role or an active Organization- and Project-scoped Agent Grant containing the required permission. |
| AGENT_GRANT_INVALID | Agent Grant is invalid. | Issue a complete Organization- and Project-scoped grant with published scopes and a lifetime of one hour or less. |
| TOOL_PAYLOAD_TOO_LARGE | Tool payload exceeds its published size limit. | Reduce the requested geometry or export payload and retry within the published byte limit. |
| TOOL_CALL_CANCELLED | Tool call was cancelled. | Retry only if the caller still needs the operation, using the same idempotency key for an interrupted mutation. |
| VENUE_INTERNAL_ERROR | VenueMind could not complete the operation. | Retry once; if the error persists, inspect the server log with the correlation ID. |
| OCCUPANCY_MONITOR_NOT_FOUND | Live Occupancy Monitor is unavailable. | Create the monitor from the active Event Day Runbook before inspecting or changing occupancy. |
| OCCUPANCY_TOOL_UNAVAILABLE | Live Occupancy tool Adapter is unavailable. | Open VenueMind Studio or connect an MCP Project session with Live Occupancy operations enabled. |
| OCCUPANCY_REVISION_CONFLICT | Live Occupancy monitor revision conflict. | Refresh the monitor and retry only if the aggregate transition is still required. |
| OCCUPANCY_SIGNAL_INVALID | Aggregate Occupancy Signal is invalid. | Send one bounded aggregate-only signal for the check-in total, venue, or a stable Occupancy Zone. |
| OCCUPANCY_PRIVACY_REJECTED | Occupancy input contains prohibited person-level data. | Remove identities, contacts, ticket tokens, device identifiers, and individual event records before ingestion. |