Hi Guys ,
Today I have faced this error :
ERROR TypeError: Cannot create property 'validator' on string 'name'
The solution is to add the following line in app.module.ts highlighted in Yellow.
The complete console log is as below:
core.js:3121 Angular is running in the development mode. Call enableProdMode() to enable the production mode.
SignUpComponent.html:1 ERROR TypeError: Cannot create property 'validator' on string 'name'
at setUpControl (forms.js:1686)
at FormControlDirective.push../node_modules/@angular/forms/fesm5/forms.js.FormControlDirective.ngOnChanges (forms.js:4373)
at checkAndUpdateDirectiveInline (core.js:9239)
at checkAndUpdateNodeInline (core.js:10507)
at checkAndUpdateNode (core.js:10469)
at debugCheckAndUpdateNode (core.js:11102)
at debugCheckDirectivesFn (core.js:11062)
at Object.eval [as updateDirectives] (SignUpComponent.html:3)
at Object.debugUpdateDirectives [as updateDirectives] (core.js:11054)
at checkAndUpdateView (core.js:10451)
View_SignUpComponent_0 @ SignUpComponent.html:1
proxyClass @ compiler.js:10173
push../node_modules/@angular/core/fesm5/core.js.DebugContext_.logError @ core.js:11306
push../node_modules/@angular/core/fesm5/core.js.ErrorHandler.handleError @ core.js:1719
(anonymous) @ core.js:4578
push../node_modules/zone.js/dist/zone.js.ZoneDelegate.invoke @ zone.js:391
push../node_modules/zone.js/dist/zone.js.Zone.run @ zone.js:150
push../node_modules/@angular/core/fesm5/core.js.NgZone.runOutsideAngular @ core.js:3779
push../node_modules/@angular/core/fesm5/core.js.ApplicationRef.tick @ core.js:4578
(anonymous) @ core.js:4462
push../node_modules/zone.js/dist/zone.js.ZoneDelegate.invoke @ zone.js:391
onInvoke @ core.js:3820
push../node_modules/zone.js/dist/zone.js.ZoneDelegate.invoke @ zone.js:390
push../node_modules/zone.js/dist/zone.js.Zone.run @ zone.js:150
push../node_modules/@angular/core/fesm5/core.js.NgZone.run @ core.js:3734
next @ core.js:4462
schedulerFn @ core.js:3551
push../node_modules/rxjs/_esm5/internal/Subscriber.js.SafeSubscriber.__tryOrUnsub @ Subscriber.js:196
push../node_modules/rxjs/_esm5/internal/Subscriber.js.SafeSubscriber.next @ Subscriber.js:134
push../node_modules/rxjs/_esm5/internal/Subscriber.js.Subscriber._next @ Subscriber.js:77
push../node_modules/rxjs/_esm5/internal/Subscriber.js.Subscriber.next @ Subscriber.js:54
push../node_modules/rxjs/_esm5/internal/Subject.js.Subject.next @ Subject.js:47
push../node_modules/@angular/core/fesm5/core.js.EventEmitter.emit @ core.js:3535
checkStable @ core.js:3789
onHasTask @ core.js:3833
push../node_modules/zone.js/dist/zone.js.ZoneDelegate.hasTask @ zone.js:443
push../node_modules/zone.js/dist/zone.js.ZoneDelegate._updateTaskCount @ zone.js:463
push../node_modules/zone.js/dist/zone.js.Zone._updateTaskCount @ zone.js:291
push../node_modules/zone.js/dist/zone.js.Zone.runTask @ zone.js:212
drainMicroTaskQueue @ zone.js:601
Promise.then (async)
scheduleMicroTask @ zone.js:584
push../node_modules/zone.js/dist/zone.js.ZoneDelegate.scheduleTask @ zone.js:413
push../node_modules/zone.js/dist/zone.js.Zone.scheduleTask @ zone.js:238
push../node_modules/zone.js/dist/zone.js.Zone.scheduleMicroTask @ zone.js:258
scheduleResolveOrReject @ zone.js:879
ZoneAwarePromise.then @ zone.js:1012
push../node_modules/@angular/core/fesm5/core.js.PlatformRef.bootstrapModule @ core.js:4345
./src/main.ts @ main.ts:11
__webpack_require__ @ bootstrap:76
0 @ main.ts:12
__webpack_require__ @ bootstrap:76
checkDeferredModules @ bootstrap:43
webpackJsonpCallback @ bootstrap:30
(anonymous) @ main.js:1
SignUpComponent.html:1 ERROR CONTEXT DebugContext_ {view: {…}, nodeIndex: 2, nodeDef: {…}, elDef: {…}, elView: {…}}
View_SignUpComponent_0 @ SignUpComponent.html:1
proxyClass @ compiler.js:10173
push../node_modules/@angular/core/fesm5/core.js.DebugContext_.logError @ core.js:11306
push../node_modules/@angular/core/fesm5/core.js.ErrorHandler.handleError @ core.js:1724
(anonymous) @ core.js:4578
push../node_modules/zone.js/dist/zone.js.ZoneDelegate.invoke @ zone.js:391
push../node_modules/zone.js/dist/zone.js.Zone.run @ zone.js:150
push../node_modules/@angular/core/fesm5/core.js.NgZone.runOutsideAngular @ core.js:3779
push../node_modules/@angular/core/fesm5/core.js.ApplicationRef.tick @ core.js:4578
(anonymous) @ core.js:4462
push../node_modules/zone.js/dist/zone.js.ZoneDelegate.invoke @ zone.js:391
onInvoke @ core.js:3820
push../node_modules/zone.js/dist/zone.js.ZoneDelegate.invoke @ zone.js:390
push../node_modules/zone.js/dist/zone.js.Zone.run @ zone.js:150
push../node_modules/@angular/core/fesm5/core.js.NgZone.run @ core.js:3734
next @ core.js:4462
schedulerFn @ core.js:3551
push../node_modules/rxjs/_esm5/internal/Subscriber.js.SafeSubscriber.__tryOrUnsub @ Subscriber.js:196
push../node_modules/rxjs/_esm5/internal/Subscriber.js.SafeSubscriber.next @ Subscriber.js:134
push../node_modules/rxjs/_esm5/internal/Subscriber.js.Subscriber._next @ Subscriber.js:77
push../node_modules/rxjs/_esm5/internal/Subscriber.js.Subscriber.next @ Subscriber.js:54
push../node_modules/rxjs/_esm5/internal/Subject.js.Subject.next @ Subject.js:47
push../node_modules/@angular/core/fesm5/core.js.EventEmitter.emit @ core.js:3535
checkStable @ core.js:3789
onHasTask @ core.js:3833
push../node_modules/zone.js/dist/zone.js.ZoneDelegate.hasTask @ zone.js:443
push../node_modules/zone.js/dist/zone.js.ZoneDelegate._updateTaskCount @ zone.js:463
push../node_modules/zone.js/dist/zone.js.Zone._updateTaskCount @ zone.js:291
push../node_modules/zone.js/dist/zone.js.Zone.runTask @ zone.js:212
drainMicroTaskQueue @ zone.js:601
Promise.then (async)
scheduleMicroTask @ zone.js:584
push../node_modules/zone.js/dist/zone.js.ZoneDelegate.scheduleTask @ zone.js:413
push../node_modules/zone.js/dist/zone.js.Zone.scheduleTask @ zone.js:238
push../node_modules/zone.js/dist/zone.js.Zone.scheduleMicroTask @ zone.js:258
scheduleResolveOrReject @ zone.js:879
ZoneAwarePromise.then @ zone.js:1012
push../node_modules/@angular/core/fesm5/core.js.PlatformRef.bootstrapModule @ core.js:4345
./src/main.ts @ main.ts:11
__webpack_require__ @ bootstrap:76
0 @ main.ts:12
__webpack_require__ @ bootstrap:76
checkDeferredModules @ bootstrap:43
webpackJsonpCallback @ bootstrap:30
(anonymous) @ main.js:1
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