crash log from tapping add to wishlist

Date: 2019-07-16 01:12:10 +0000
Process: Zebra
Bundle id: xyz.willy.Zebra
Exception type: NSInvalidArgumentException
Reason: *** -[__NSArrayM insertObject:atIndex:]: object cannot be nil
Culprit: Unknown
Device: iPhone 8 Plus, iOS 12.2
Call stack:
0 CoreFoundation 0x00000002213b0530 __exceptionPreprocess
1 libobjc.A.dylib 0x000000022058b9f8 objc_exception_throw
2 CoreFoundation 0x0000000221329f8c _CFArgv
3 CoreFoundation 0x000000022129b17c -[__NSArrayM insertObject:atIndex:]
4 Zebra 0x00000001028fa4cc Zebra + 255180
5 Zebra 0x00000001028fb730 Zebra + 259888
6 UIKitCore 0x000000024db26740 -[UITableView _selectRowAtIndexPath:animated:scrollPosition:notifyDelegate:]
7 UIKitCore 0x000000024db269a4 -[UITableView _userSelectRowAtPendingSelectionIndexPath:]
8 UIKitCore 0x000000024d932fdc _runAfterCACommitDeferredBlocks
9 UIKitCore 0x000000024d921b2c _cleanUpAfterCAFlushAndRunDeferredBlocks
10 UIKitCore 0x000000024d94e744 _afterCACommitHandler
11 CoreFoundation 0x000000022134189c __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__
12 CoreFoundation 0x000000022133c5c4 __CFRunLoopDoObservers
13 CoreFoundation 0x000000022133cb40 __CFRunLoopRun
14 CoreFoundation 0x000000022133c354 CFRunLoopRunSpecific
15 GraphicsServices 0x000000022353c79c GSEventRunModal
16 UIKitCore 0x000000024d927b68 UIApplicationMain
17 Zebra 0x00000001028d85e4 Zebra + 116196
18 libdyld.dylib 0x0000000220e028e0 start