Crash for no reason | C++

[3dRaven]

@SolidSk

::Execute_

try

void UMagicComponent::UseSpellWithCast()
{
if(GetOwner() != nullptr)
{
	if (GetOwner()->GetClass()->ImplementsInterface(UINF_MainChar::StaticClass())) {	
		GetWorld()->GetTimerManager().SetTimer(MyTimerHandle, this, &UMagicComponent::Casting, 2.0f, false);
		if(CastWidget != nullptr)
		{
			CastWidget->AddToViewport();
		}	  
		IINF_MainChar::Execute_StartCasting(GetOwner());
		bCanDoMagic=false;
	}
}
}