+#### Note: this error code is no longer emitted by the compiler.
+
A lifetime was declared more than once in the same scope.
Erroneous code example:
-```compile_fail,E0263
+```compile_fail,E0403
fn foo<'a, 'b, 'a>(x: &'a str, y: &'b str, z: &'a str) { // error!
}
```