zed-industries/zed · error · ActionBuildError::BuildError

error at sequence index {index}: {err}

Error message

error at sequence index {index}: {err}

What it means

Wrapper error in ActionSequence::build_sequence(): one element of a keymap "[...]" action sequence failed to build via KeymapFile::build_keymap_action. This context error names the sequence index at fault; the inner error describes the actual problem.

Source

Thrown at crates/settings/src/keymap_file.rs:1489

register_action!(ActionSequence);

impl ActionSequence {
    fn build_sequence(
        value: Value,
        cx: &App,
    ) -> std::result::Result<Box<dyn Action>, ActionBuildError> {
        match value {
            Value::Array(values) => {
                let actions = values
                    .into_iter()
                    .enumerate()
                    .map(|(index, action)| {
                        match KeymapFile::build_keymap_action(&KeymapAction(action), cx) {
                            Ok((action, _)) => Ok(action),
                            Err(err) => {
                                return Err(ActionBuildError::BuildError {
                                    name: Self::name_for_type().to_string(),
                                    error: anyhow::anyhow!(
                                        "error at sequence index {index}: {err}"
                                    ),
                                });
                            }
                        }
                    })
                    .collect::<Result<Vec<_>, _>>()?;
                Ok(Box::new(Self(actions)))
            }
            _ => Err(Self::expected_array_error()),
        }
    }

    fn expected_array_error() -> ActionBuildError {
        ActionBuildError::BuildError {
            name: Self::name_for_type().to_string(),
            error: anyhow::anyhow!("expected array of actions"),
        }

View on GitHub (pinned to f4178619ac)

Solutions

1. Fix or remove the invalid action entry at the reported index in the keymap
2. Check the chained error for the specific action problem

When it happens

Trigger: Thrown at crates/settings/src/keymap_file.rs:1489 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of zed-industries/zed@f4178619ac (2026-08-20). Data as JSON: /api/errors/51f3c0b42bd9a301. Report an issue: GitHub.