Compile error

[developerworks]

error[E0277]: the trait bound `SubscribeError: std::error::Error` is not satisfied
   --> convex-ffi/src/lib.rs:170:1
    |
170 | #[uniffi::export(async_runtime = "tokio")]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `SubscribeError`
    |
    = help: the trait `FfiConverter<UT>` is implemented for `Result<R, E>`
    = note: required for `Result<Arc<Subscription>, SubscribeError>` to implement `FfiConverter<UniFfiTag>`
    = note: this error originates in the attribute macro `uniffi::export` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0277]: the trait bound `SubscribeError: std::error::Error` is not satisfied
   --> convex-ffi/src/lib.rs:170:1
    |
170 | #[uniffi::export(async_runtime = "tokio")]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `SubscribeError`
    |
    = help: the trait `FfiConverter<UT>` is implemented for `Result<R, E>`
    = note: required for `Result<Value, SubscribeError>` to implement `FfiConverter<UniFfiTag>`
    = note: this error originates in the attribute macro `uniffi::export` (in Nightly builds, run with -Z macro-backtrace for more info)

For more information about this error, try `rustc --explain E0277`.
error: could not compile `convex-ffi` (lib) due to 2 previous errors

Env:

• MacOS
• rustc 1.72.1 (d5c2e9c34 2023-09-13)