# Duplicate Covered Run

> A defect in which a run is started for a question a live run's scope already covers.

Record: `lexicon:duplicate-covered-run`
Kind: anti-pattern
Layer: [Execution Core](https://banes-lab.com/records/layer/execution-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-duplicate-covered-run

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Attached Second Caller](https://banes-lab.com/records/lexicon/attached-second-caller.md) and before [Presence as Liveness](https://banes-lab.com/records/lexicon/presence-as-liveness.md).

## Category

- [Coordination Surfaces](https://banes-lab.com/records/lexicon-category/coordination-surfaces.md)

## Violates

- [Read-Time Join](https://banes-lab.com/records/architecture/read-time-join.md)

## Linked from

- [Coordination Surfaces](https://banes-lab.com/ontology/principles/architecture-category-coordination-surfaces.md)