@@ -158,7 +158,7 @@ export class ScrollView extends ScrollViewBase {
 	}
 
 	protected dettachNative() {
-		this.nativeViewProtected.getViewTreeObserver().removeOnScrollChangedListener(this.handler);
+		this.nativeViewProtected?.getViewTreeObserver().removeOnScrollChangedListener(this.handler);
 		this.handler = null;
 	}
 }
Original file line number	Diff line number	Diff line change
`@@ -158,7 +158,7 @@ export class ScrollView extends ScrollViewBase {`
`158`	`158`	`}`
`159`	`159`
`160`	`160`	`protected dettachNative() {`
`161`		`- this.nativeViewProtected.getViewTreeObserver().removeOnScrollChangedListener(this.handler);`
	`161`	`+ this.nativeViewProtected?.getViewTreeObserver().removeOnScrollChangedListener(this.handler);`
`162`	`162`	`this.handler = null;`
`163`	`163`	`}`
`164`	`164`	`}`