Issue with rust macro utoipauto. Panic on simple structure

[CR7273868]

#[utoipauto]
#[derive(utoipa::OpenApi)]
#[openapi()] // try to emulate () to get it to work
pub struct ApiDoc;

Error message I seem to be getting is: proc-macro panicked: unsupported proc macro punctuation character '['rust-analyzermacro-error

Although, there are no visible syntax errors (there are none to be fair). Any clue what the issue is here?

My cargo dependecies: axum = { version = "0.7.5" } axum_thiserror = "0.1.0" axum-extra = { version = "0.9.4", features = ["typed-header"] } axum-macros = "0.4.2" utoipa = "^5" utoipa-swagger-ui = { version = "8", features = ["axum", "debug-embed"] } utoipauto = "0.2.0"

[DenuxPlays]

Can you show the output what you get when you do cargo build?

[DenuxPlays]

No further information was given