Invalid ABI (Application Binary Interface) used in the code.
Erroneous code example:
extern "invalid" fn foo() {} // error!
RunAt present few predefined ABI’s (like Rust, C, system, etc.) can be used in Rust. Verify that the ABI is predefined. For example you can replace the given ABI from ‘Rust’.
extern "Rust" fn foo() {} // ok!
Run