Module params are not extensible

crates/compiler/solve/src/solve.rs

@@ -1439,7 +1439,7 @@ fn solve(
                     Failure(vars, _actual_type, _expected_type, _) => {
                         env.introduce(rank, &vars);
 
-                        todo!("agus: reporting")
+                        todo!("report import params mismatch")
                     }
                 }
             }