UE4 - Crash when executing FindRow()

I am working on a Shooter game with weapon classes located in a data table, but when starting the game and initializing the weapon I am supposed to start with, the entire engine crashes.

Code in TpsGameInstance.cpp:

#include "TpsGameInstance.h"

bool UTpsGameInstance::GetWeaponByName(FName WeaponName, FWeaponProperties& OutputWeapon)
{
	bool bFound = false;

	FWeaponProperties* NewWeapon = WeaponTable->FindRow<FWeaponProperties>(WeaponName, "", false);
	if (NewWeapon)
	{
		bFound = true;
		OutputWeapon = *NewWeapon;

	}
	return bFound;

}

InitWeapon() in TpsGameCharacter.cpp:

void ATpsGameCharacter::InitWeapon(FName WeaponID)
{
	UTpsGameInstance* DisInstance = Cast<UTpsGameInstance>(GetGameInstance());
	FWeaponProperties NewProperties;

	if (DisInstance)
	{
		if (DisInstance->GetWeaponByName(WeaponID, NewProperties))
		{
			if (NewProperties.WeaponClass)
			{
				FVector SpawnOffset = FVector(0);
				FRotator SpawnRotation = FRotator(0);

				FActorSpawnParameters SpawnParam;
				SpawnParam.SpawnCollisionHandlingOverride = ESpawnActorCollisionHandlingMethod::AlwaysSpawn;
				SpawnParam.Owner = GetOwner();
				SpawnParam.Instigator = GetInstigator();

				AWeaponBase* MyGun = Cast<AWeaponBase>(GetWorld()->SpawnActor(NewProperties.WeaponClass, &SpawnOffset, &SpawnRotation, SpawnParam));

				if (MyGun)
				{
					FAttachmentTransformRules AttachRules(EAttachmentRule::SnapToTarget, false);
					MyGun->AttachToComponent(GetMesh(), AttachRules, FName("Weapon"));
					CurrentWeapon = MyGun;

				}

			}
			else
			{
				UE_LOG(LogTemp, Warning, TEXT("ATpsGameCharacter::InitWeapon - Initialization Failed ( WeaponClass = NULL )"));
			}
		}
		else
		{
			UE_LOG(LogTemp, Warning, TEXT("ATpsGameCharacter::InitWeapon - Initialization Failed ( Invalid WeaponID || WeaponID = NULL )"));
		}
	}

}
LoginId:4b97db0d449de250499475bffaa5d4fe
EpicAccountId:b82b4c8c6b13447db327d92153eaaa7a

Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x0000000000000030

UE4Editor_TpsGame!UDataTable::FindRow<FWeaponProperties>() [C:\Program Files\Epic Games\UE_4.27\Engine\Source\Runtime\Engine\Classes\Engine\DataTable.h:204]
UE4Editor_TpsGame!UTpsGameInstance::GetWeaponByName() [C:\Users\User\Documents\Unreal Projects\TpsGame\Source\TpsGame\TpsGameInstance.cpp:10]
UE4Editor_TpsGame!ATpsGameCharacter::InitWeapon() [C:\Users\User\Documents\Unreal Projects\TpsGame\Source\TpsGame\Character\TpsGameCharacter.cpp:230]
UE4Editor_TpsGame!ATpsGameCharacter::BeginPlay() [C:\Users\User\Documents\Unreal Projects\TpsGame\Source\TpsGame\Character\TpsGameCharacter.cpp:107]
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