bevyengine/bevy · error · GetProcessorError

The processor '{0}' does not exist

Error message

The processor '{0}' does not exist

What it means

GetProcessorError::MissingProcessor: a lookup by processor name found no registered processor with that exact name in the app's processor registry; the requested processing operation cannot proceed.

Source

Thrown at crates/bevy_asset/src/processor/mod.rs:1843

    #[error(transparent)]
    FailedToReadDestinationPaths(AssetReaderError),
    #[error("Failed to validate asset log: {0}")]
    ValidateLogError(#[from] ValidateLogError),
}

/// An error when attempting to set the transaction log factory.
#[derive(Error, Debug)]
pub enum SetTransactionLogFactoryError {
    /// The transaction log is already in use, so setting the factory does nothing.
    #[error("Transaction log is already in use so setting the factory does nothing")]
    AlreadyInUse,
}

/// An error when retrieving an asset processor.
#[derive(Error, Debug, PartialEq, Eq)]
pub enum GetProcessorError {
    /// The processor of that name does not exist.
    #[error("The processor '{0}' does not exist")]
    Missing(String),
    /// The given short name is ambiguous between several processors.
    #[error("The processor '{processor_short_name}' is ambiguous between several processors: {ambiguous_processor_names:?}")]
    Ambiguous {
        /// 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>,
    },
}

impl From<GetProcessorError> for ProcessError {
    fn from(err: GetProcessorError) -> Self {
        match err {
            GetProcessorError::Missing(name) => Self::MissingProcessor(name),
            GetProcessorError::Ambiguous {
                processor_short_name,
                ambiguous_processor_names,

View on GitHub (pinned to 396ca72708)

Solutions

1. Check the processor name string for typos or case mismatch
2. Register the intended processor via app.register_asset_processor before use
3. Verify the crate/plugin providing the processor is added to the app

When it happens

Trigger: Thrown at crates/bevy_asset/src/processor/mod.rs:1843 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/0d14196e9d1b2e8c. Report an issue: GitHub.