TabHighlight - Uncaught TypeError: Cannot read property 'btn' of null

Short description of the problem:

Error: Uncaught TypeError: Cannot read property 'btn' of null, http://192.168.1.12:8100/build/js/app.bundle.js, Line: 68645 is randomly happening and after this application becomes unstable.

What behavior are you expecting?

Error not to happen 😃

Steps to reproduce:

1. Well not sure, I am opening screen with tabs and almost on every second opening this happens

Other information:

Part of code from app.bundle.js:

var TabHighlight = (function () {
    function TabHighlight(_elementRef) {
        this._elementRef = _elementRef;
    }
    TabHighlight.prototype.select = function (tab) {
        var _this = this;
        dom_1.rafFrames(3, function () {
            var d = tab.btn.getDimensions();               // this is line 68645
            var ele = _this._elementRef.nativeElement;
            ele.style.transform = 'translate3d(' + d.left + 'px,0,0) scaleX(' + d.width + ')';
            if (!_this._init) {
                _this._init = true;
                dom_1.rafFrames(6, function () {
                    ele.classList.add('animate');
                });
            }
        });
    };
    TabHighlight = __decorate([
        core_1.Directive({
            selector: 'tab-highlight'
        }), 
        __metadata('design:paramtypes', [core_1.ElementRef])
    ], TabHighlight);
    return TabHighlight;
}());
exports.TabHighlight = TabHighlight;

Which Ionic Version? 2.x

Run ionic info from terminal/cmd prompt:

Cordova CLI: 6.2.0 Gulp version: CLI version 3.9.1 Gulp local: Local version 3.9.1 Ionic Framework Version: 2.0.0-beta.10 Ionic CLI Version: 2.0.0-beta.32 Ionic App Lib Version: 2.0.0-beta.18 OS: Distributor ID: LinuxMint Description: Linux Mint 17.3 Rosa Node Version: v5.12.0

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Does anyone have any idea why is this happening? Thank you.

[youssmak]

never mind, thank you

[ionitron-bot[bot]]

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