That hasn't helped me. I've rebuilt my libraries (forked existing libraries that weren't supported anymore, imported them into Xcode 11.4) - I can still run the app just fine on the device but building for the simulator fails every time with the same error.
Smithers
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We're unable to reproduce this but we get this a LOT and have no idea why. We've also received 6,500 crash reports from just 1 users in three days. This is for a "helper" app bundled with our main app, and it seems it crashes, the OS spawns it off again, and it crashes again and that seems to be happening every few seconds. We're swamped with crashes from many users but no idea what's going on. Here's the full stack trace (seems to be on macOS 10.11):Crashed: com.apple.main-thread
0 Flavours2RuntimeLib.dylib 0x10a2f7fc3 (Missing)
1 Flavours2RuntimeLib.dylib 0x10a2f7d8d (Missing)
2 Flavours2RuntimeLib.dylib 0x10a305f02 (Missing)
3 Flavours2RuntimeLib.dylib 0x10a3008d3 (Missing)
4 Flavours2RuntimeLib.dylib 0x10a3007be (Missing)
5 libdispatch.dylib 0x7fff8ef6f40b _dispatch_client_callout + 8
6 libdispatch.dylib 0x7fff8ef6f303 dispatch_once_f + 67
7 Flavours2RuntimeLib.dylib 0x10a300796 (Missing)
8 Flavours2RuntimeLib.dylib 0x10a2fea4a (Missing)
9 libdispatch.dylib 0x7fff8ef7a93d _dispatch_call_block_and_release + 12
10 libdispatch.dylib 0x7fff8ef6f40b _dispatch_client_callout + 8
11 libdispatch.dylib 0x7fff8ef82c1c _dispatch_main_queue_callback_4CF + 1685
12 CoreFoundation 0x7fff8b7da949 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 9
13 CoreFoundation 0x7fff8b79982d __CFRunLoopRun + 1949
14 CoreFoundation 0x7fff8b798e28 CFRunLoopRunSpecific + 296
15 HIToolbox 0x7fff9a36e935 RunCurrentEventLoopInMode + 235
16 HIToolbox 0x7fff9a36e76f ReceiveNextEventCommon + 432
17 HIToolbox 0x7fff9a36e5af _BlockUntilNextEventMatchingListInModeWithFilter + 71
18 AppKit 0x7fff9330edf6 _DPSNextEvent + 1067
19 AppKit 0x7fff9330e226 -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 454
20 AppKit 0x7fff93302d80 -[NSApplication run] + 682
21 AppKit 0x7fff932cc368 NSApplicationMain + 1176
22 libdyld.dylib 0x7fff89da85ad start + 1
Weird, a reboot fixed it.