Errors during tutorial

I’m running into a strange issue. I have some code experience (mostly C# and Java) and I am following the tutorial and I’m on this step: 3 - Write and Compile C++ Code | Unreal Engine Documentation

I have my code the exact same way as shown but I am getting - Error: no default constructor exists for class “AActor”

Header file:


#pragma once

#include "GameFramework/Actor.h"
#include "MyActor.generated.h"

/**
 * 
 */
UCLASS()
class BEGINNING_ONE_API AMyActor : public AActor
{
	GENERATED_BODY()

public:
	// Sets default values for this actor's properties
	AMyActor() = default;

	// Called when the game starts or when spawned
	virtual void BeginPlay() override;

	// Called every frame
	virtual void Tick(float DeltaSeconds) override;

	float RunningTime;
};

And .cpp file:


#include "Beginning_One.h"
#include "MyActor.h"


// Sets default values
AMyActor::AMyActor()
{
	// Set this actor to call Tick() every frame.  You can turn this off to improve performance if you don't need it.
	PrimaryActorTick.bCanEverTick = true;

}

//Called when game starts or when spawned
void AMyActor::BeginPlay()
{
	Super::BeginPlay();
}

// Called every frame
void AMyActor::Tick(float DeltaTime)
{
	Super::Tick(DeltaTime);

	FVector NewLocation = GetActorLocation();
	float DeltaHeight = (FMath::Sin(RunningTime + DeltaTime) - FMath::Sin(RunningTime));
	NewLocation.Z += DeltaHeight * 20.0f;	// scale height by a factor of 20
	RunningTime += DeltaTime;
	SetActorLocation(NewLocation);

}

The build errors are:
Error 1 error C2511: ‘AMyActor::AMyActor(void)’ : overloaded member function not found in ‘AMyActor’
Error 2 error C2228: left of ‘.bCanEverTick’ must have class/struct/union

Any ideas? As far as I can see its the exact same as the tutorial except for project names.

AMyActor() = default;

Try taking out the bolded section.

Oh I forgot to take that out. I was trying different things I found online. I get the same errors with or without that.