BATCH exist not working

Question

I've started making a small program in Batch, it worked fine until I've gotten into IF NOT EXIST, just then all my problems started as every time it got into that statement, the batch file has just crashed. Here's the code:

REM BEGGINING OPTIONS
@ECHO OFF
TITLE Organizer
COLOR 07
MODE CON COLS=101 LINES=30
SETLOCAL enableDelayedExpansion
CLS

REM WELCOME
CLS
COLOR E
ECHO WELCOME TO ORGANIZER.BAT! THIS PROGRAM IS MADE BY ELDAR BAKERMAN TO ORGANIZE YOUR FILES AND COMPUTER!
ECHO THIS IS VERSION 1.0!
ECHO THIS PROJECT STARTED IN 11.08.2017 (DD/MM/YYYY)
ECHO PRESS ANY KEY TO CONTINUE
PAUSE>NUL

REM ORGANIZATION
:ORGANIZATION
COLOR 0B
CLS
REM CREATE FOLDERNAME VARIABLE
SET /P FOLDERNAME=WHAT IS THE NAME OF THE FOLDER WHERE THE UNORGANIZED FILES ARE LOCATED IN? 


REM FIND FOLDER
IF NOT EXIST "D:\Users\Eldar\Desktop\%FOLDERNAME%\NUL"
(
COLOR 0C
ECHO ERROR! FOLDER "%FOLDERNAME%" WAS NOT FOUND!
PAUSE>NUL
) ELSE (
PAUSE
)
PAUSE

Answer 1

Here's your script without the bloat:

@ECHO OFF
SET/P "FOLDERNAME=WHAT IS THE NAME OF THE UNORGANIZED FILES FOLDER? "
IF NOT EXIST "D:\Users\Eldar\Desktop\%FOLDERNAME%\" (
    ECHO ERROR! FOLDER "%FOLDERNAME%" WAS NOT FOUND!
) ELSE ECHO "%FOLDERNAME%" WAS FOUND
PAUSE

Hopefully you can see how the parenthesis placement works.