Rc3 on chrome intermittent "style of null error"

On Chrome using ionic serve, I sometimes get the following error:
TypeError: Cannot read property ‘style’ of null
at Content.addScrollPadding (\C:\project\node_modules\ionic-angular\components\content\content.js:179:28)
at eval (\C:\project\node_modules\ionic-angular\components\content\content.js:189:23)
at eval (\C:\project\node_modules\ionic-angular\util\keyboard.js:39:21)
at t.invokeTask (http://localhost:8100/build/polyfills.js:3:14051)
at e.runTask (http://localhost:8100/build/polyfills.js:3:11411)
at invoke (http://localhost:8100/build/polyfills.js:3:15164)

I think I have only seen it while using the Nexus 7 devtools emulator, but honestly I am not sure. It is intermittent. This happens after calling this.viewCtrl.dismiss(); on a modal which just created a new entry in firebase, and the page that is displayed after closing the modal includes a list which includes that new entry. I don’t know if that is relevant information, but this is an intermittent (but about 1/3 of the time) problem which may mean synchronization is an issue. If I refresh the page, it displays just fine with no errors.

My setup is
ordova CLI: 6.4.0
Ionic Framework Version: 2.0.0-rc.3
Ionic CLI Version: 2.1.12
Ionic App Lib Version: 2.1.7
Ionic App Scripts Version: 0.0.46
ios-deploy version: Not installed
ios-sim version: Not installed
OS: Windows 10
Node Version: v6.9.1
Xcode version: Not installed

The modal code that runs last is:
done() {
console.log(this.newP);
let p = {};
p[this.newP[“title”]] = {“overview”: {“description”: this.newP[“description”]}};
this.projectService.getGroup(this.newP[“group”]).update§;
this.viewCtrl.dismiss();
}

The page template that dismissing the modal returns to includes:

>   <ion-list *ngFor="let group of groupObservable | async">
>     <ion-row>
>       <ion-col width-25>
>       <ion-item>
>         <button ion-button>Edit Group: {{group.$key}}</button>
>       </ion-item>
>       </ion-col>
>     </ion-row>
>     <ion-item *ngFor="let p of group.projects | async">
>       <ion-row *ngIf="unoccupied(p)">
>         <ion-item>
>           <button ion-button block (click)="clickButton(p)">
>             <ion-icon name="open"></ion-icon>
>             <div class="space">{{p.$key}}</div>
>             <div class="space">{{p.overview.description}}</div>  
>           </button>
>         </ion-item>
>       </ion-row>
>     </ion-item>
>   </ion-list>


>    </ion-grid>

>    
>   <ion-fab right bottom>
>     <button ion-fab color="light"><ion-icon name="arrow-dropleft"></ion-icon></button>
>     <ion-fab-list side="left">
>       <button ion-fab mini class="adder" (click)="addNewProjectButton()"><ion-icon name="add-circle"></ion-icon>Project</button>
>       <button ion-fab mini class="adder" (click)="addNewGroupButton()"><ion-icon name="add-circle"></ion-icon>Group</button>
>       
>     </ion-fab-list>
>   </ion-fab>

Sorry if the console.logs and commented out code is distracting.

Any ideas for what is happening? If this is just a particular chrome emulator problem, then I don’t care. I just don’t want to have this show up in the wild if I can help it.

Thanks.

where the modal just added an entry to one of the group.projects lists.

The same issue:
Runtime Error
Cannot read property ‘style’ of null
Stack
TypeError: Cannot read property ‘style’ of null
at Content.addScrollPadding (\H:\src\trunk\src\ionic\myapp\node_modules\ionic-angular\components\content\content.js:180:28)
at eval (\H:\src\trunk\src\ionic\myapp\node_modules\ionic-angular\components\content\content.js:192:23)
at eval (\H:\src\trunk\src\ionic\myapp\node_modules\ionic-angular\util\keyboard.js:41:21)
at t.invokeTask (http://192.168.27.141:33002/build/polyfills.js:3:14215)
at e.runTask (http://192.168.27.141:33002/build/polyfills.js:3:11575)
at invoke (http://192.168.27.141:33002/build/polyfills.js:3:15328)
at e.args.(anonymous function) (http://192.168.27.141:33002/build/polyfills.js:3:2602)
Ionic Framework: 2.0.0-rc.3-201611211919
Ionic Native: 2.2.3
Ionic App Scripts: 0.0.46
Angular Core: 2.2.1
Angular Compiler CLI: 2.2.1
Node: 6.9.1
OS Platform: Windows 7
Navigator Platform: Win32
User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36

Hey guys,

Same issue when running using ionic emulate android -lcs

TypeError: Cannot read property 'style' of null
    at Content.addScrollPadding (http://10.225.15.39:8001/build/main.js:14595:28)
    at http://10.225.15.39:8001/build/main.js:14605:23
    at http://10.225.15.39:8001/build/main.js:15782:21
    at t.invokeTask (http://10.225.15.39:8001/build/polyfills.js:3:14051)
    at e.runTask (http://10.225.15.39:8001/build/polyfills.js:3:11411)
    at invoke (http://10.225.15.39:8001/build/polyfills.js:3:15164)