I recieved this firebase cashed issue i am not getting, exactly why this coming, please help me with this.

Crashed: com.apple.main-thread 0 WebKit 0x32a580 void IPC::ArgumentCoder<WTF::String, void>::encodeIPC::Encoder(IPC::Encoder&, WTF::String const&) + 1072 1 WebKit 0x32a510 void IPC::ArgumentCoder<WTF::String, void>::encodeIPC::Encoder(IPC::Encoder&, WTF::String const&) + 960 2 WebKit 0x540ac0 WebKit::WebPageProxy::runJavaScriptInFrameInScriptWorld(WebCore::RunJavaScriptParameters&&, std::__1::optional<WTF::ObjectIdentifierWebCore::FrameIdentifierType >, API::ContentWorld&, WTF::CompletionHandler<void (std::experimental::fundamentals_v3::expected<WTF::RefPtr<API::SerializedScriptValue, WTF::RawPtrTraitsAPI::SerializedScriptValue, WTF::DefaultRefDerefTraitsAPI::SerializedScriptValue >, WebCore::ExceptionDetails>&&)>&&) + 568 3 WebKit 0x2a6910 -[WKWebView _evaluateJavaScript:asAsyncFunction:withSourceURL:withArguments:forceUserGesture:inFrame:inWorld:completionHandler:] + 1352 4 WebKit 0x12010 -[WKWebView evaluateJavaScript:completionHandler:] + 120 5 Cordova 0x6a44 __40-[CDVCommandDelegateImpl evalJsHelper2:]_block_invoke + 73 (CDVCommandDelegateImpl.m:73) 6 libdispatch.dylib 0x63094 _dispatch_call_block_and_release + 24 7 libdispatch.dylib 0x64094 _dispatch_client_callout + 16 8 libdispatch.dylib 0x45858 _dispatch_main_queue_drain + 888 9 libdispatch.dylib 0x454d0 _dispatch_main_queue_callback_4CF$VARIANT$armv81 + 36 10 CoreFoundation 0x4e0d4 CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE + 12 11 CoreFoundation 0xb5f8 __CFRunLoopRun + 2544 12 CoreFoundation 0x1e250 CFRunLoopRunSpecific + 572 13 GraphicsServices 0x1988 GSEventRunModal + 160 14 UIKitCore 0x4e5a94 -[UIApplication _run] + 1080 15 UIKitCore 0x27efd4 UIApplicationMain + 336 16 QuackQuack 0x62e4 main + 7 (AppDelegate.swift:7) 17 ??? 0x1045104d0 (Missing)

I recieved this firebase cashed issue i am not getting, exactly why this coming, please help me with this.
 
 
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