# OperationWarningCode

> **OperationWarningCode** = `"meter_removed_before_installed"` \| `"overlapping_meters"` \| `"duplicate_meter_id"` \| `"reading_meter_unresolved"` \| `"reading_outside_installation"` \| `"reading_rollover_unknown"` \| `"duplicate_production_id"` \| `"corrects_unresolved"` \| `"corrects_cycle"` \| `"estimate_period_invalid"` \| `"estimated_overlaps_meter"` \| `"duplicate_regime_id"` \| `"regime_duplicate_effective_from"` \| `"daily_operating_time_normalized"` \| `"regime_exceeds_permit"` \| `"log_category_field_mismatch"` \| `"log_reference_unresolved"` \| `"log_after_decommission"` \| `"missing_maintenance_type"` \| `"missing_status"` \| `"analysis_uses_retracted_event"` \| `"analysis_uses_logger_series"` \| `"logger_reading_below_sensor"`