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Editorial Team
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Asked: 2026-05-27T05:24:57+00:00

Terminating app due to uncaught exception ‘NSInvalidArgumentException’, reason: ‘ * +[NSString stringWithUTF8String:]: NULL cString’

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Terminating app due to uncaught exception ‘NSInvalidArgumentException’, reason: ‘* +[NSString stringWithUTF8String:]: NULL cString’
* First throw call stack:
(0x374ec8bf 0x362cb1e5 0x374ec7b9 0x374ec7db 0x31dade97 0x278f 0x2c2d 0x307877eb 0x307813bd 0x3074f921 0x3074f3bf 0x3074ed2d 0x36000e13 0x374c0553 0x374c04f5 0x374bf343 0x374424dd 0x374423a5 0x30780457 0x3077d743 0x2439 0x23d0)
terminate called throwing an exception

I just don’t understand why it was working until 5 minutes ago testing it on the same thing and now it’s not working anymore. What can I do to solve this problem? The application works fine on the simulator.

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1 Answer

  1. Editorial Team

    Your string cString = null..

    Fill it.

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