bevyengine/bevy · error · ProcessError

Encountered an AssetWriter error for '{path}': {err}

Error message

Encountered an AssetWriter error for '{path}': {err}

What it means

ProcessError::AssetWriterError: an underlying AssetWriterError occurred while writing the processed asset output for the given path, such as disk-full, permission failure, or an invalid destination configuration.

Source

Thrown at crates/bevy_asset/src/processor/process.rs:144

    #[from(ignore)]
    MissingProcessor(String),
    /// The given short name is ambiguous between several processors.
    #[error("The processor '{processor_short_name}' is ambiguous between several processors: {ambiguous_processor_names:?}")]
    AmbiguousProcessor {
        /// The given string for the processor name.
        processor_short_name: String,
        /// The list of processors that might match it.
        ambiguous_processor_names: Vec<&'static str>,
    },
    /// Encountered an [`AssetReaderError`] for this path.
    #[error("Encountered an AssetReader error for '{path}': {err}")]
    #[from(ignore)]
    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,
    },

View on GitHub (pinned to 396ca72708)

Solutions

1. Check disk space and write permissions on the imported/processed asset directory
2. Verify the processed asset writer configuration for the source
3. Inspect the inner AssetWriterError for details

When it happens

Trigger: Thrown at crates/bevy_asset/src/processor/process.rs:144 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/685cc5efc45c8e3d. Report an issue: GitHub.