Angular how to add Enum to a FormGroup as FormControl?

help is appreciated and thanks in advance for all solutions. I created a FormGroup and want via loop adding FormControls to a FormGroup. This tutorial is from Matt Thornton building a real site with Angular. How is that done in Angular 17 with dynamical created FormControls? I left error message below.

Overload 1 of 2, '(this: FormGroup<{ [key: string]: AbstractControl<any, any>; }>, name: string, control: AbstractControl<any, any>, options?: { emitEvent?: boolean | undefined; } | undefined): void', gave the following error.
The 'this' context of type 'FormGroup<{ roomName: FormControl<string | null>; location: FormControl<string | null>; }>' is not assignable to method's 'this' of type 'FormGroup<{ [key: string]: AbstractControl<any, any>; }>'.
Type '{ [key: string]: AbstractControl<any, any>; }' is missing the following properties from type '{ roomName: FormControl<string | null>; location: FormControl<string | null>; }': roomName, location
Overload 2 of 2, '(name: "roomName" | "location", control: FormControl<string | null>, options?: { emitEvent?: boolean | undefined; } | undefined): void', gave the following error.
Argument of type '`layout${string}`' is not assignable to parameter of type '"roomName" | "location"'. [plugin angular-compiler]

src/app/admin/rooms/room-edit/room-edit.component.ts:37:20:
37 │ this.roomForm.addControl(`layout${layout}`, new FormControl(


room.ts:

export enum Layout {
THEATER = 'Theater',
USHAPE = 'U-Shape',
BOARD = 'Board Meeting'
}


room-edit.component.ts:

import { Component, Input, OnInit } from '@angular/core';
import { Layout, LayoutCapacity, Room } from '../../../model/room';
import { FormControl, FormGroup, Validators } from '@angular/forms';

@Component({
selector: 'app-room-edit',
templateUrl: './room-edit.component.html',
styleUrl: './room-edit.component.css'
})
export class RoomEditComponent implements OnInit{

@Input()
room: Room;

layouts = Object.keys(Layout);
layoutEnum = Layout;
layoutTypes: Array<string> = Object.keys(Layout).filter(key => isNaN(+key));

roomForm = new FormGroup(
{
roomName : new FormControl('roomName'),
location: new FormControl('location'),
}
);

constructor() {
this.room = new Room();
}

ngOnInit(): void {
this.roomForm.patchValue({
roomName: this.room.name,
location: this.room.location
});

for (const layout of this.layouts) {
this.roomForm.addControl(`layout${layout}`, new FormControl(`layout${layout}`));
}
}

onSubmit() {
this.room.name = this.roomForm.controls['roomName'].value ?? '';
this.room.location = this.roomForm.value['location'] ?? '';
this.room.capacities = new Array<LayoutCapacity>();
console.log(this.room);
}

getLayoutByKey(layoutKey: string): Layout {
return this.layoutEnum[layoutKey as keyof typeof Layout];
}

}

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