Fix a bug when the attachment file is inaccessible
Fix a bug when the attachment file is inaccessible

hdemeyer/king-phisher,securestate/king-phisher,securestate/king-phisher,zeroSteiner/king-phisher,wolfthefallen/king-phisher,securestate/king-phisher,zeroSteiner/king-phisher,zeroSteiner/king-phisher,guitarmanj/king-phisher,guitarmanj/king-phisher,zeroSteiner/king-phisher,hdemeyer/king-phisher,hdemeyer/king-phisher,wolfthefallen/king-phisher,wolfthefallen/king-phisher,guitarmanj/king-phisher,wolfthefallen/king-phisher,guitarmanj/king-phisher,securestate/king-phisher,wolfthefallen/king-phisher,securestate/king-phisher,zeroSteiner/king-phisher,hdemeyer/king-phisher