,Failed to store the screen shot

Hello, I have a problem with my game : in my game, when you press F2, it take a screenshot, when I'm in the unity editor, it work properly but when I build it and I try to take a screenshot, there is an error :

 Mono path[0] = 'C:/Users/my username/Desktop/mmorpg/MMORPG_Data/Managed'
 Mono config path = 'C:/Users/my username/Desktop/mmorpg/MonoBleedingEdge/etc'
 PlayerConnection initialized from C:/Users/my username/Desktop/mmorpg/MMORPG_Data (debug = 0)
 PlayerConnection initialized network socket : 0.0.0.0 55275
 Multi-casting "[IP] my ip [Port] 55275 [Flags] 2 [Guid] 937214617 [EditorId] 3564097138 [Version] 1048832 [Id] WindowsPlayer(name of my computer) [Debug] 0 [PackageName] WindowsPlayer [ProjectName] MMORPG" to [225.0.0.222:54997]...
 Started listening to [0.0.0.0:55275]
 PlayerConnection already initialized - listening to [0.0.0.0:55275]
 Initialize engine version: 2019.3.7f1 (6437fd74d35d)
 [Subsystems] Discovering subsystems at path C:/Users/my username/Desktop/mmorpg/MMORPG_Data/UnitySubsystems
 GfxDevice: creating device client; threaded=1
 Direct3D:
     Version:  Direct3D 11.0 [level 11.1]
     Renderer: AMD Radeon(TM) R5 Graphics (ID=0x98e4)
     Vendor:   
     VRAM:     377 MB
     Driver:   16.101.2901.0
 Begin MonoManager ReloadAssembly
 - Completed reload, in  1.002 seconds
 D3D11 device created for Microsoft Media Foundation video decoding.
 <RI> Initializing input.
 
 <RI> Input initialized.
 
 <RI> Initialized touch support.
 
 UnloadTime: 1.631900 ms
 Un screenshot a été pris
 UnityEngine.DebugLogHandler:Internal_Log(LogType, LogOption, String, Object)
 UnityEngine.DebugLogHandler:LogFormat(LogType, Object, String, Object[])
 UnityEngine.Logger:Log(LogType, Object)
 UnityEngine.Debug:Log(Object)
 SceenShotScript:TakeCapture() (at C:\Users\my username\Documents\Gamers-geek\3D\Gamers-geek Studio\MMORPG-git\Assets\Scripts\SceenShotScript.cs:34)
 SceenShotScript:Update() (at C:\Users\my username\Documents\Gamers-geek\3D\Gamers-geek Studio\MMORPG-git\Assets\Scripts\SceenShotScript.cs:24)
 (Filename: C:/Users/my username/Documents/Gamers-geek/3D/Gamers-geek Studio/MMORPG-git/Assets/Scripts/SceenShotScript.cs Line: 34)
 
 about to send file over playerconnection C:/Users/my username/Desktop/mmorpg/MMORPG_Datacaptures/Capture 11-04-2020 23-19-00.png  with length 181905
 Failed to store screen shot (C:/Users/my username/Desktop/mmorpg/MMORPG_Datacaptures/Capture 11-04-2020 23-19-00.png)
 (Filename: C:\buildslave\unity\build\Modules/ScreenCapture/CaptureScreenshot.cpp Line: 82)

ScreenShotScript :

 using UnityEngine;
 using System;
 using System.IO;
 
 public class SceenShotScript : MonoBehaviour
 {
 
     void Awake()
     {
         if (Directory.Exists(@"captures"))
         {
 
         }
         else
         {
             Directory.CreateDirectory(@"captures");
         }
     }
 
     void Update()
     {
         if (Input.GetKeyDown(KeyCode.F2))
         {
             TakeCapture();
         }
     }
 
     private void TakeCapture()
     {
         string currentTime = System.DateTime.Now.ToString();
         currentTime = currentTime.Replace("/", "-");
         currentTime = currentTime.Replace(":", "-");
         ScreenCapture.CaptureScreenshot("captures/Capture " + currentTime + ".png");
     }
 }

I need help please Thanks you in advance