package Ġcom . hub el ias . park ing meter . domain . driver ĊĊ Ċ class ĠUnknown Driver Exception ( driver Id : ĠDriver Id ) Ġ: ĊĠĠĠĠĠĠĠ ĠIllegalArgumentException (" Driver Ġwith Ġusername =${ driver Id . username } Ġwas Ġnot Ġfound .") Ċ