Compiler errors

[Angstrom_Gaming]

I have some code and it’s showing no errors in IntelliSense but I have the following errors while compiling it in unreal:

Also, here’s my code:

// Fill out your copyright notice in the Description page of Project Settings.
#include "BullCowCartridge.h"

void UBullCowCartridge::BeginPlay() // When the game starts
{
    Super::BeginPlay();

    SetupGame();

    PrintLine((FString::Printf(TEXT("The hidden word is: %s."), *HiddenWord))); //Debug Line
}

void UBullCowCartridge::OnInput(const FString& Input) // When the player hits enter
{
    if(bGameOver){
        ClearScreen();
        SetupGame();
    }
    else{
        ProcessGuess(Input, Lives);
    }

    /*
    Is isogram?
    Right # of chars?
    Remove Life
    Check if life < 0
    if true end game and promt restart
    if false then show them ammount of lives left and let them try again
    */
}

void UBullCowCartridge::SetupGame(){
    HiddenWord = "cake";
    Lives = HiddenWord.Len();
    bGameOver = false;
    PrintLine(FString::Printf(TEXT("Welcome to Bulls Cows!\nYou have %i lives.\nGuess the %i letter word and press enter to\ncontinue..."), Lives, HiddenWord.Len()));
}

void UBullCowCartridge::EndGame(){
    bGameOver = true;
    PrintLine(TEXT("Press enter to play again"));
}

void UBullCowCartridge::ProcessGuess(FString Guess, int32 Lives){
    //if (!IsIsogram) {
    //    PrintLine(TEXT("There are no repeating letters"));
    //}
    
    // Check if the guess and the hidden word are the same
    if(Guess == HiddenWord){
        PrintLine(TEXT("You win!"));
        EndGame();
        return;
    }
    if (Guess.Len() != HiddenWord.Len()) {
        PrintLine(FString::Printf(TEXT("You're wrong! The word has %i letters"), HiddenWord.Len()));
        return;
    }
    PrintLine(FString::Printf(TEXT("You have lost a life")));
    PrintLine(FString::Printf(TEXT("You have %i lives left"), --Lives));
    // Check if the length of the hidden word and the length of the guess are the same
    if (Lives <= 0) {
        PrintLine("You have ran out of lives");
        EndGame();
        return;
    }

    PrintLine(FString::Printf(TEXT("You Guess again. You have %i lives left"), Lives));

    ClearScreen();
    PrintLine(FString::Printf(TEXT("The hidden word was %s."), HiddenWord));
    //else{
    //    if(Guess.Len() != HiddenWord.Len()){
    //            PrintLine(FString::Printf(TEXT("You're wrong! The word has %i letters"), HiddenWord.Len()));
    //    }else{
    //        PrintLine(TEXT("You're wrong!"));
    //        --Lives;
    //        PrintLine(TEXT("You have lost a life."));
    //        if(Lives <= 0){
    //            PrintLine("You have ran out of lives");
    //            EndGame();
    //        }else{
    //            PrintLine(FString::Printf(TEXT("You have %i lives left."), Lives));
    //        }
    //    }
    //}
}

[DanM]

void UBullCowCartridge::ProcessGuess(FString Guess, int32 Lives){
//                                                  ^^^^^^^^^^^

You have named a parameter with the same name as a member variable which means you are shadowing the member variable. Shadowing is treated as an error in newer versions of Unreal, simply rename it.

PrintLine(FString::Printf(TEXT("The hidden word was %s."), HiddenWord));

This is missing *

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Sidenote: the ``` have to be on newlines to get a code block. I’ve edited your post to fix that.