``` [wasm-validator error in function assembly/Result/Result<assembly/Bool/Bool,assembly/Bool/Bool>#constructor@varargs] unexpected false: call target must exist, on (call $assembly/Result/Result<assembly/Bool/Bool,assembly/Bool/Bool>#constructor (local.get $0) (local.get $1) (local.get $2) (local.get $3) ) FAILURE validate error at Object.main (C:\Users\lenovo\AppData\Roaming\npm\node_modules\assemblyscript\cli\asc.js:876:23) at C:\Users\lenovo\AppData\Roaming\npm\node_modules\assemblyscript\bin\asc:19:47 ```