Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

MdCheckBox - error when [(ngModel)] on md-checkbox inside ngFor

See original GitHub issue

<tr *ngFor="let alarm of alarms">
  <md-checkbox [(ngModel)]="alarm.isActive"></md-checkbox>
</tr>

throws an error in the console:

“Uncaught (in promise): TypeError: Cannot set property ‘stack’ of undefined TypeError: Cannot set property ‘stack’ of undefined at SyntaxError.set [as stack] (eval at <anonymous> (file:///C:/projects/school/dist/vendor.js:17:2), <anonymous>:1628:63) at assignAll (eval at <anonymous> (file:///C:/projects/school/dist/polyfills.js:1744:2), <anonymous>:704:29) at SyntaxError.ZoneAwareError (eval at <anonymous> (file:///C:/projects/school/dist/polyfills.js:1744:2), <anonymous>:775:16) at SyntaxError.BaseError [as constructor] (eval at <anonymous> (file:///C:/projects/school/dist/vendor.js:17:2), <anonymous>:1590:18) at new SyntaxError (eval at <anonymous> (file:///C:/projects/school/dist/vendor.js:17:2), <anonymous>:1793:18) at TemplateParser.parse (eval at <anonymous> (file:///C:/projects/school/dist/vendor.js:17:2), <anonymous>:11210:21) at JitCompiler._compileTemplate (eval at <anonymous> (file:///C:/projects/school/dist/vendor.js:17:2), <anonymous>:27480:70) at eval (eval at <anonymous> (file:///C:/projects/school/dist/vendor.js:17:2), <anonymous>:27363:64) at Set.forEach (native) at JitCompiler._compileComponents (eval at <anonymous> (file:///C:/projects/school/dist/vendor.js:17:2), <anonymous>:27363:21) at createResult (eval at <anonymous> (file:///C:/projects/school/dist/vendor.js:17:2), <anonymous>:27246:21) at ZoneDelegate.invoke (eval at <anonymous> (file:///C:/projects/school/dist/polyfills.js:1744:2), <anonymous>:242:26) at Zone.run (eval at <anonymous> (file:///C:/projects/school/dist/polyfills.js:1744:2), <anonymous>:113:43) at eval (eval at <anonymous> (file:///C:/projects/school/dist/polyfills.js:1744:2), <anonymous>:535:57) at ZoneDelegate.invokeTask (eval at <anonymous> (file:///C:/projects/school/dist/polyfills.js:1744:2), <anonymous>:275:35) at Zone.runTask (eval at <anonymous> (file:///C:/projects/school/dist/polyfills.js:1744:2), <anonymous>:151:47) at drainMicroTaskQueue (eval at <anonymous> (file:///C:/projects/school/dist/polyfills.js:1744:2), <anonymous>:433:35)”