While trying to add the pass to the Apple Simulator i am getting the below error.Could you please help to fix this error.A

Apr 13 13:57:33 --- last message repeated 1 time --- Apr 13 13:57:33 Droid-M Passbook[3013]: Failed to add pass: 'file:///Users/walmart/Downloads/pass-new.pkpass' Error Domain=PKPassKitErrorDomain Code=1 "The pass cannot be read because it isn’t valid." UserInfo={NSUnderlyingError=0x7967c5e0 {Error Domain=PKPassKitErrorDomain Code=1 "Manifest signature did not verify successfully" UserInfo={NSLocalizedDescription=Manifest signature did not verify successfully}}, NSLocalizedDescription=The pass cannot be read because it isn’t valid.}.