error: Missing manifest in toolchain 'stable-x86_64-pc-windows-msvc'

Problem

when i trid to install the racer plugin, it need to add rust-src component.But when i tried to download and install it,a mistake happened PS E:\Rust_Dir\Box> rustup component add rust-src info: syncing channel updates for 'stable-x86_64-pc-windows-msvc' info: latest update on 2023-11-16, rust version 1.74.0 (79e9716c9 2023-11-13) error: Missing manifest in toolchain 'stable-x86_64-pc-windows-msvc

and i do not konw how to handle it?

Steps

rustup component add rust-src

Possible Solution(s)

No response

Notes

No response

Rustup version

1.26.0

Installed toolchains

info: syncing channel updates for 'stable-x86_64-pc-windows-msvc'
info: latest update on 2023-11-16, rust version 1.74.0