[AutoComplete] - Crashes on iOS on entering any text

[Whip]

Tell us about the problem

App crashes immediately as I type a single character in the Autocomplete input

Which platform(s) does your issue occur on?

_iOS 13

Please provide the following version numbers that your issue occurs with:

• Progress NativeScript UI plugin version: 6.0.1
• CLI: 6.8.0
• Cross-platform modules: 6.5.0
• Runtime(s): 6.5.0

Is there code involved? If so, please share the minimal amount of code needed to recreate the problem.

XML

<au:RadAutoCompleteTextView hint="Search Area" displayMode="Plain" completionMode="Contains" textChanged="areaTextChanged" didAutoComplete="areaAutocomplete" />

JS

exports.areaTextChanged = function(args){
    console.log('areaTextChanged'); //this appears in output
    if(args.text.length > 2){
        const field = args.object,
            text = args.text;

        field.loadSuggestionsAsync = function(text){
            const promise = new Promise((resolve, reject) => {
                                   ...
            });

            return promise;
        }
    }
}

Console output

CONSOLE LOG file: app/sales/add-order-page.js:84:0: areaTextChanged
***** Fatal JavaScript exception - application has been terminated. *****
Native stack trace:
1   0x103276928 NativeScript::reportFatalErrorBeforeShutdown(JSC::ExecState*, JSC::Exception*, bool)
2   0x1032b102c NativeScript::FFICallback<NativeScript::ObjCMethodCallback>::ffiClosureCallback(ffi_cif*, void*, void**, void*)
3   0x103e1e7f8 ffi_closure_SYSV_inner
4   0x103e201b4 .Ldo_closure
5   0x1042e5a60 -[TKAutoCompleteTextView textFieldWasUpdated:]
6   0x1042e53a4 -[TKAutoCompleteTextView onTextFieldChanged:]
7   0x1c242172c <redacted>
8   0x1c1e31ed4 <redacted>
9   0x1c1e3222c <redacted>
10  0x1c27064d4 <redacted>
11  0x1c26ebf34 <redacted>
12  0x1c27170fc <redacted>
13  0x1c2719770 <redacted>
14  0x1c271a24c <redacted>
15  0x1c26ef60c <redacted>
16  0x1c270c534 <redacted>
17  0x1c2245614 <redacted>
18  0x1c223f968 <redacted>
19  0x1c223e594 <redacted>
20  0x1c226e4fc <redacted>
21  0x1c226cf30 <redacted>
22  0x1be764f78 <redacted>
23  0x1be2eaad8 <redacted>
24  0x1be2eaa30 <redacted>
25  0x1be2ea1b8 <redacted>
26  0x1be2e51e8 <redacted>
27  0x1be2e4ba8 CFRunLoopRunSpecific
28  0x1c8454344 GSEventRunModal
29  0x1c24203e4 UIApplicationMain
30  0x103e20044 ffi_call_SYSV
31  0x103e1df1c ffi_call_int
JavaScript stack trace:
file: node_modules/nativescript-ui-autocomplete/ui-autocomplete.ios.js:146:0
at file: node_modules/nativescript-ui-autocomplete/ui-autocomplete.ios.js:284:0
at UIApplicationMain([native code])
at run(file: node_modules/@nativescript/core/application/application.ios.js:312:0)
at file: app/app.js:70:0
at ./app.js(file:///app/bundle.js:230:34)
at __webpack_require__(file: app/webpack/bootstrap:750:0)
at checkDeferredModules(file: app/webpack/bootstrap:43:0)
at webpackJsonpCallback(file: app/webpack/bootstrap:30:0)
at anonymous(file:///app/bundle.js:2:61)
at evaluate([native code])
at moduleEvaluation([native code])
at [native code]
at asyncFunctionResume([native code])
at [native code]
at promiseReactionJob([native code])
JavaScript error:
file: node_modules/nativescript-ui-autocomplete/ui-autocomplete.ios.js:146:0: JS ERROR TypeError: undefined is not an object (evaluating 'suggestions.length')