bevyengine/bevy · error · ProcessError

Failed to read asset metadata for {path}: {err}

Error message

Failed to read asset metadata for {path}: {err}

What it means

ProcessError::ReadAssetMetaError: reading the asset's .meta file at the given path failed with an AssetReaderError, so required processing metadata (processor settings, asset handle information) could not be loaded.

Source

Thrown at crates/bevy_asset/src/processor/process.rs:157

    AssetReaderError {
        path: AssetPath<'static>,
        err: AssetReaderError,
    },
    /// Encountered an [`AssetWriterError`] for this path.
    #[error("Encountered an AssetWriter error for '{path}': {err}")]
    #[from(ignore)]
    AssetWriterError {
        path: AssetPath<'static>,
        err: AssetWriterError,
    },
    #[error(transparent)]
    MissingAssetWriterError(#[from] MissingAssetWriterError),
    #[error(transparent)]
    MissingProcessedAssetReaderError(#[from] MissingProcessedAssetReaderError),
    #[error(transparent)]
    MissingProcessedAssetWriterError(#[from] MissingProcessedAssetWriterError),
    /// Encountered an [`AssetReaderError`] when reading the asset metadata for this path.
    #[error("Failed to read asset metadata for {path}: {err}")]
    #[from(ignore)]
    ReadAssetMetaError {
        path: AssetPath<'static>,
        err: AssetReaderError,
    },
    #[error(transparent)]
    DeserializeMetaError(#[from] DeserializeMetaError),
    #[error(transparent)]
    AssetLoadError(#[from] AssetLoadError),
    /// The wrong meta type was passed into a processor.
    /// This is probably an internal implementation error.
    #[error("The wrong meta type was passed into a processor. This is probably an internal implementation error.")]
    WrongMetaType,
    /// Encountered an error while saving the asset.
    #[error("Encountered an error while saving the asset: {0}")]
    #[from(ignore)]
    AssetSaveError(BevyError),
    /// Encountered an error while transforming the asset.

View on GitHub (pinned to 396ca72708)

Solutions

  1. Ensure the .meta file exists and is readable
  2. Delete the stale .meta file so it is regenerated
  3. Check the inner AssetReaderError for the underlying IO cause
Defensive patterns

Strategy: retry

When it happens

Trigger: Thrown at crates/bevy_asset/src/processor/process.rs:157 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/26db15a47925da44. Report an issue: GitHub.