iOS Question MailComposer error


Well-Known Member
Licensed User
Longtime User
I'm using the MailComposer for send email for some apps

MailSend.SetToRecipients(Array("[email protected]"))
MailSend.SetSubject("My Subject")

from today work fine on ipad2, but doen't work on Iphone5-6, i have tried with emulator and from apple store.

rocess:  MailCompositionService [983]
Path:  /Applications/
Identifier:  MailCompositionService
Version:  1.0 (1.0)
Code Type:  X86-64 (Native)
Parent Process:  launchd_sim [826]
Responsible:  MailCompositionService [983]
User ID:  504

Date/Time:  2016-07-07 00:26:57.057 +0200
OS Version:  Mac OS X 10.11.5 (15F34)
Report Version:  11
Anonymous UUID:  5733EF97-54FF-5E6D-654C-82B5CF8371AB

Time Awake Since Boot: 2000 seconds

System Integrity Protection: enabled

Crashed Thread:  0  Dispatch queue:

Exception Type:  EXC_CRASH (SIGABRT)
Exception Codes:  0x0000000000000000, 0x0000000000000000
Exception Note:  EXC_CORPSE_NOTIFY

Application Specific Information:
*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSArrayI isEqualToString:]: unrecognized selector sent to instance 0x7fde80e1a5e0'
terminating with uncaught exception of type NSException
abort() called
CoreSimulator 209.19 - Device: iPhone 6 - Runtime: iOS 9.3 (13E230) - DeviceType: iPhone 6

Application Specific Backtrace 1:
0  CoreFoundation  0x0000000105765d85 __exceptionPreprocess + 165
1  libobjc.A.dylib  0x0000000105afbdeb objc_exception_throw + 48
2  CoreFoundation  0x000000010576ed3d -[NSObject(NSObject) doesNotRecognizeSelector:] + 205
3  CoreFoundation  0x00000001056b4cfa ___forwarding___ + 970
4  CoreFoundation  0x00000001056b48a8 _CF_forwarding_prep_0 + 120
5  MessageUI  0x000000010338aa08 -[MFMailComposeController _setSendingEmailAddress:addIfNotPresent:] + 112
6  MessageUI  0x00000001033db397 +[MFComposeTypeFactory _setupForNewMessageWithModel:delegate:] + 82
7  MessageUI  0x0000000103389330 -[MFMailComposeController _loadCompositionContext] + 425
8  MailComposit


Well-Known Member
Licensed User
Longtime User
Mailcomposer does not seem to work in an emulator: the email application starts but then your app crashes.
Also CanSend is only TRUE when an account has been defined.
Upvote 0