Adalo Built App Crashing on opening with TestFlight. Help!

Question

Created Mar ’23

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Hello, I have tried building my app from Adalo so I can test something with the QR code scanner before I spend lots of time finishing the app. It has a welcome screen which links to a login screen and then to the other screens within the app. On opening it just immediately crashes you just see the splash screen as it loads up. Here is an example crash report.

Hardware Model:      iPhone13,4
Process:             Lft Ovrs [609]
Path:                &#x2F;private&#x2F;var&#x2F;containers&#x2F;Bundle&#x2F;Application&#x2F;AE72DB31-BF2F-4EB6-827D-8932E5E539F9&#x2F;Lft Ovrs.app&#x2F;Lft Ovrs
Identifier:          Com.LftOvrs.app
Version:             0.0.4 (105)
AppStoreTools:       14E221
AppVariant:          1:iPhone13,4:16
Beta:                YES
Code Type:           ARM-64 (Native)
Role:                Foreground
Parent Process:      launchd [1]
Coalition:           Com.LftOvrs.app [594]

Date&#x2F;Time:           2023-03-26 18:44:53.8459 +0100
Launch Time:         2023-03-26 18:44:53.5718 +0100
OS Version:          iPhone OS 16.3.1 (20D67)
Release Type:        User
Baseband Version:    3.40.01
Report Version:      104

Exception Type:  EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Triggered by Thread:  2

Last Exception Backtrace:
0   CoreFoundation                	0x1b4a18e38 __exceptionPreprocess + 164 (NSException.m:202)
1   libobjc.A.dylib               	0x1adba78d8 objc_exception_throw + 60 (objc-exception.mm:356)
2   Lft Ovrs                      	0x1044f6e14 RCTFatal + 568 (RCTAssert.m:145)
3   Lft Ovrs                      	0x104564f1c -[RCTExceptionsManager reportFatal:stack:exceptionId:suppressRedBox:] + 436 (RCTExceptionsManager.mm:76)
4   Lft Ovrs                      	0x104565718 -[RCTExceptionsManager reportException:] + 1312 (RCTExceptionsManager.mm:145)
5   CoreFoundation                	0x1b4a836b4 __invoking___ + 148
6   CoreFoundation                	0x1b4a2fb1c -[NSInvocation invoke] + 428 (NSForwarding.m:3377)
7   CoreFoundation                	0x1b4a2f534 -[NSInvocation invokeWithTarget:] + 64 (NSForwarding.m:3474)
8   Lft Ovrs                      	0x104521c1c -[RCTModuleMethod invokeWithBridge:module:arguments:] + 388 (RCTModuleMethod.mm:584)
9   Lft Ovrs                      	0x104523998 facebook::react::invokeInner(RCTBridge*, RCTModuleData*, unsigned int, folly::dynamic const&amp;) + 216 (RCTNativeModule.mm:114)
10  Lft Ovrs                      	0x104523724 facebook::react::RCTNativeModule::invoke(unsigned int, folly::dynamic&amp;&amp;, int)::$_0::operator()() const + 44 (RCTNativeModule.mm:75)
11  Lft Ovrs                      	0x104523724 invocation function for block in facebook::react::RCTNativeModule::invoke(unsigned int, folly::dynamic&amp;&amp;, int) + 88 (RCTNativeModule.mm:67)
12  libdispatch.dylib             	0x1bc02f460 _dispatch_call_block_and_release + 32 (init.c:1518)
13  libdispatch.dylib             	0x1bc030f88 _dispatch_client_callout + 20 (object.m:560)
14  libdispatch.dylib             	0x1bc038640 _dispatch_lane_serial_drain + 672 (inline_internal.h:2632)
15  libdispatch.dylib             	0x1bc03918c _dispatch_lane_invoke + 384 (queue.c:3940)
16  libdispatch.dylib             	0x1bc043e10 _dispatch_workloop_worker_thread + 652 (queue.c:6876)
17  libsystem_pthread.dylib       	0x202c90df8 _pthread_wqthread + 288 (pthread.c:2618)
18  libsystem_pthread.dylib       	0x202c90b98 start_wqthread + 8




EOF

I have attached the whole crash report.

2023-03-26_18-44-53.8459_+0100-c028ba5ebc95b018388287331f1afa952c2e1c4f.crash

Any Help would be great as I'm a newbie!

Thanks

Boost

Answer 1

iAmBowser OP

Mar ’23

Based on the provided crash report, it seems that the app is crashing due to an unhandled exception. The exception type is EXC_CRASH (SIGABRT) and the exception codes are 0x0000000000000000, 0x0000000000000000.

The crash report also provides a backtrace, which shows the sequence of function calls that led to the crash. The backtrace indicates that the crash occurred in the RCTFatal function of the Lft Ovrs module. The RCTFatal function is part of the React Native framework and is responsible for handling fatal errors in the app.

It's possible that the crash is related to the QR code scanner or to the login screen, since those are the components that are loaded immediately after the splash screen. It's also possible that there is a problem with the React Native configuration or with the Adalo build process.

To troubleshoot this issue, you could try the following steps:

Check the React Native logs: You can try to reproduce the issue and check the logs generated by React Native. The logs may provide more information about the error and help you narrow down the cause. Test the QR code scanner separately: You could try to create a separate app or component that only includes the QR code scanner and test it separately. This could help you determine if the issue is related specifically to the QR code scanner or if it's a more general issue with the app. Review Adalo documentation: Review Adalo documentation and ensure that the QR code scanner and login screen components have been properly implemented. Seek Help from Adalo Community: Seek help from the Adalo community forums or support channels. Other Adalo users may have encountered similar issues and may be able to provide guidance or troubleshooting tips. By following these steps, you may be able to identify and resolve the issue that is causing your app to crash.

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