![]() The AOT compiler includes quick checks for null references each time a method or variable is accessed on an object. Unity includes software-based handling of the NullReferenceException. ![]() There two ways to figure out where the fault happened: Managed stack traces This message typically appears on iOS devices when your application receives a NullReferenceException. The Xcode console shows "Program received signal: “SIGBUS” or EXC_BAD_ACCESS error. Information from the XCode Debugger console can often help detect these problems (Xcode menu: View > Debug Area > Activate Console). Errors in the native plugin interface (the managed code method signature does not match the native code function signature).Using reflection when managed code stripping is enabled.Using generic types with value types as parameters (eg, List, List, List, etc) for serializable script properties.Such libraries trigger a known problem in the iOS SDK linker and might cause random crashes. Using 3rd party Thumb compiled native libraries.Scripting errors such as using uninitialized variables, etc.There are a number of reasons why this may happen. Xcode shows “interrupted” in the status bar. This section describes the most common scenarios. The problems are often related to code or content quality. There are some situations with iOS where your game can work perfectly in the Unity editor but then doesn’t work or maybe doesn’t even start on the actual device.
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