bevyengine/bevy · error · ProcessError

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

Error message

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

What it means

ProcessError::AssetReaderError: an underlying AssetReaderError occurred while reading the source asset (or its data) at the given path during processing, e.g. the file was missing, unreadable, or the reader backend failed.

Source

Thrown at crates/bevy_asset/src/processor/process.rs:137

pub enum ProcessError {
    #[error(transparent)]
    MissingAssetLoaderForExtension(#[from] MissingAssetLoaderForExtensionError),
    #[error(transparent)]
    MissingAssetLoaderForTypeName(#[from] MissingAssetLoaderForTypeNameError),
    /// No processor with that name is registered..
    #[error("The processor '{0}' does not exist")]
    #[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),

View on GitHub (pinned to 396ca72708)

Solutions

1. Verify the asset file exists at the reported path
2. Check filesystem permissions and reader configuration (e.g. correct asset root)
3. Inspect the inner AssetReaderError for the root cause

When it happens

Trigger: Thrown at crates/bevy_asset/src/processor/process.rs:137 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/11ec035281d0cf6e. Report an issue: GitHub.