bevyengine/bevy · error · EntityDespawnError

Could not despawn entity: {0}

Error message

Could not despawn entity: {0}

What it means

EntityDespawnError: an attempt was made to despawn (or otherwise consume) an entity that is not spawned — the id is stale or was never allocated, wrapping the underlying EntityNotSpawnedError.

Source

Thrown at crates/bevy_ecs/src/world/error.rs:35

pub struct TryRunScheduleError(pub InternedScheduleLabel);

/// The error type returned by [`World::try_insert_batch`] and [`World::try_insert_batch_if_new`]
/// if any of the provided entities do not exist.
///
/// [`World::try_insert_batch`]: crate::world::World::try_insert_batch
/// [`World::try_insert_batch_if_new`]: crate::world::World::try_insert_batch_if_new
#[derive(thiserror::Error, Debug, Clone)]
#[error("Could not insert bundles of type {bundle_type} into the entities with the following IDs because they do not exist: {entities:?}")]
pub struct TryInsertBatchError {
    /// The bundles' type name.
    pub bundle_type: DebugName,
    /// The IDs of the provided entities that do not exist.
    pub entities: Vec<Entity>,
}

/// An error that occurs when a specified [`Entity`] could not be despawned.
#[derive(thiserror::Error, Debug, Clone, Copy)]
#[error("Could not despawn entity: {0}")]
pub struct EntityDespawnError(#[from] pub EntityNotSpawnedError);

/// An error that occurs when dynamically retrieving components from an entity.
#[derive(thiserror::Error, Debug, Clone, Copy, PartialEq, Eq)]
pub enum EntityComponentError {
    /// The component with the given [`ComponentId`] does not exist on the entity.
    #[error("The component with ID {0:?} does not exist on the entity.")]
    MissingComponent(ComponentId),
    /// The component with the given [`ComponentId`] was requested mutably more than once.
    #[error("The component with ID {0:?} was requested mutably more than once.")]
    AliasedMutability(ComponentId),
}

/// An error that occurs when fetching entities mutably from a world.
#[derive(thiserror::Error, Debug, Clone, Copy, PartialEq, Eq)]
pub enum EntityMutableFetchError {
    /// The entity is not spawned.
    #[error(

View on GitHub (pinned to 396ca72708)

Solutions

1. Check world.get_entity(id) before despawning
2. Discard stale Entity ids after structural changes that may have despawned entities
3. Use try_despawn and match on the error

When it happens

Trigger: Thrown at crates/bevy_ecs/src/world/error.rs:35 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of bevyengine/bevy@396ca72708 (2026-08-20). Data as JSON: /api/errors/5e53d4c30ac28743. Report an issue: GitHub.