| W001 | Payload near or over gRPC size limit. | Command size, batch shape, grpcMaxInboundBytes. |
| W002 | Estimated cost exceeds highCostWarnCc. | Workflow design, payload size, threshold value. |
| W003 | Traffic balance appears insufficient. | Balance source, FULL mode, available purchased traffic. |
| W004 | Command spills into paid traffic in FULL mode. | Expected when free remainder is lower than command cost. |
| W005 | Scan API unavailable. | scanApiUrl, network access, fallback rates. |
| W006 | STANDARD mode has no live free-tier state. | Informational. Use FULL mode when live balance is needed. |
| W007 | Party not known to ledger. | Party ids in command JSON. |
| W008 | Template package not available on participant. | Package id/template id used by the command. |
| W009 | Template package not vetted on synchronizer. | synchronizerId, JSON API fallback config. |
| W010 | Synchronizer not connected or unhealthy. | Admin reachability and configured synchronizer id. |
| W011 | PrepareSubmission failed. | Command JSON types, contract ids, party authorization, ledger interpretation error. |