GUI Error: You are pushing more GUIClips than you are popping. Make sure they are balanced) (744782)

So i’ve wanted to test my game today, and when i got in and made a room, i opened my pause menu and everythings broken.

And the error is
GUI Error: You are pushing more GUIClips than you are popping. Make sure they are balanced).

Heres my full gui script:

    void OnGUI(){
        GUI.skin = guiSkin;
        GUI.Label(new Rect(Screen.width-190, Screen.height-80, 190, 20), " Tab - pause menu");
        GUI.color = new Color(1, 1, 1, 0.7f);
        if(isPaused){
            GUI.color = new Color(1, 1, 1, 0.7f);
            GUI.Window (0, new Rect (Screen.width/2 - 250, Screen.height/2 - 210, 500, 500), MainMenu, "Room: " + PhotonNetwork.room.name + " | Game Mode: " + gameMode);
        }
        //Display round countdown timer
        float roundedRestSeconds = Mathf.CeilToInt(currentRoundTime);
        int displaySeconds = Mathf.FloorToInt(roundedRestSeconds % 60);
        int displayMinutes = Mathf.FloorToInt((roundedRestSeconds / 60)%60);
        string niceTime = string.Format("{0:00}:{1:00}", displayMinutes, displaySeconds);
        GUI.Box(new Rect(Screen.width/2 - 50, 45, 100, 30), niceTime);
        //Display Team Scores
        if(gameMode == "TDM"){
            GUILayout.BeginArea(new Rect(Screen.width/3 - 100, 45, 200, 30));
            GUILayout.BeginHorizontal("box", GUILayout.Width(200), GUILayout.Height(30));
            GUI.color = team_1_Color;
            GUILayout.Label(team_1.teamName + ":");
            GUILayout.Space(5);
            GUI.color = Color.white;
            GUILayout.Label(team1Score.ToString());
            GUILayout.EndHorizontal();
            GUILayout.EndArea();
            GUILayout.BeginArea(new Rect(Screen.width - Screen.width/3 - 100, 45, 200, 30));
            GUILayout.BeginHorizontal("box", GUILayout.Width(200), GUILayout.Height(30));
            GUI.color = team_2_Color;
            GUILayout.Label(team_2.teamName + ":");
            GUILayout.Space(5);
            GUI.color = Color.white;
            GUILayout.Label(team2Score.ToString());
            GUILayout.EndHorizontal();
            GUILayout.EndArea();
        }else{
            GUI.color = Color.white;
            GUI.Box(new Rect(Screen.width/2 - 150, 80, 300, 30), "Leading Player: " + leadingPlayer);
        }
        GUI.color = Color.white;
        if(roundEnded){
            GUI.Box(new Rect(Screen.width/2 - 200, Screen.height/2 - 100, 400, 30), finalText); 
        }
        //Fade black screen when returning to Lobby
        FadeScreen();
    }
    void MainMenu (int windowID) {
        GUI.FocusWindow(windowID);
        GUILayout.Space (10);
        GUILayout.BeginHorizontal();
        Resolutions();
        QualityWindow();
        GUI.color = Color.white;
        GUILayout.Space (15);
        GUILayout.BeginVertical();
        //Select Team to Join
        if(gameMode == "TDM"){
            //Team 1
            if((string)PhotonNetwork.player.customProperties["TeamName"] == team_1.teamName
                || (!Player && (string)PhotonNetwork.player.customProperties["TeamName"] != "Spectators" || roundEnded)){
                GUI.enabled = false;
            }else{
                GUI.enabled = true;
            }
            if(GUILayout.Button(team_1.teamName)){
                //Kill current player if exist
                if(!Player){
                    SpawnPlayer(team_1.teamName);
                }else{
                    SwapTeams(team_1.teamName);
                }
                isPaused = false;
                //Player joined team, notify everyone
                gameObject.SendMessage("PlayerJoinedTeam", team_1.teamName, SendMessageOptions.DontRequireReceiver);
            }
            //Team 2
            if((string)PhotonNetwork.player.customProperties["TeamName"] == team_2.teamName
                || (!Player && (string)PhotonNetwork.player.customProperties["TeamName"] != "Spectators" || roundEnded)){
                GUI.enabled = false;
            }else{
                GUI.enabled = true;
            }
            if(GUILayout.Button(team_2.teamName)){
                //Kill current player if exist
                if(!Player){
                    SpawnPlayer(team_2.teamName);
                }else{
                    SwapTeams(team_2.teamName);
                }
                isPaused = false;
                //Player joined team, notify everyone
                gameObject.SendMessage("PlayerJoinedTeam", team_2.teamName, SendMessageOptions.DontRequireReceiver);
            }
        }else{
            //Join game with Deathmatch mode
            if(Player || (string)PhotonNetwork.player.customProperties["TeamName"] != "Spectators"){
                GUI.enabled = false;
            }else{
                GUI.enabled = true;
            }
            if(GUILayout.Button("Join")){
                //Kill current player if exist
                if(!Player){
                    SpawnPlayer(team_1.teamName);
                }else{
                    SwapTeams(team_1.teamName);
                }
                isPaused = false;
                //Player joined team, notify everyone
                gameObject.SendMessage("PlayerJoinedTeam", "The War", SendMessageOptions.DontRequireReceiver);
            }
        }
        GUI.enabled = true;
        if(Player){
            if(GUILayout.Button("Resume")){
                isPaused = false;
            }
        }
        if(GUILayout.Button("Leave Room")){
            LeaveRoom();
        }
        GUILayout.EndVertical();
        GUILayout.EndHorizontal();
        GUILayout.Space (10);
        GUILayout.BeginHorizontal();
        if(playerList){
            GUI.color = new Color(0, 20, 0, 0.6f);
        }else{
            GUI.color = Color.white;
        }
        if(GUILayout.Button("Player List", GUILayout.Width(150), GUILayout.Height(25))){
            playerList = true;
        }
        if(!playerList){
            GUI.color = new Color(0, 20, 0, 0.6f);
        }else{
            GUI.color = Color.white;
        }
        if(GUILayout.Button("Controls", GUILayout.Width(150), GUILayout.Height(25))){
            playerList = false;
        }
        GUILayout.EndHorizontal();
        GUILayout.Space (5);
        GUI.color = Color.white;
        scroll3 = GUILayout.BeginScrollView(scroll3, GUILayout.Width(480), GUILayout.Height(300));
        if(!playerList){
            //Show controls
            GUI.color = new Color(20, 20,0, 0.6f);
            GUILayout.Label("Escape - Pause Menu");
            GUILayout.Label("P - Fullscreen");
            GUILayout.Label("T - Chat / Enter - send");
            GUILayout.Label("C - crouch");
            GUILayout.Label("Left Ctrl - prone");
            GUILayout.Label("LMB - fire");
            GUILayout.Label("RMB - aim");
            GUILayout.Label("F - weapon pick up");
            GUILayout.Label("R - reload");
            GUILayout.Label("Left Shift - run");
            GUILayout.Label("Space - jump");
            GUILayout.Label("1/2 - weapon change");
            GUILayout.Label("While selected STW-25 press G for flashlight");
        }else{
            //Show player list***
            GUI.color = new Color(1,1,1,0.8f);
            if(gameMode == "TDM"){
                //Display Team 1 **************************************************************************
                GUILayout.BeginHorizontal();
                GUILayout.FlexibleSpace();
                GUI.color = team_1_Color;
                GUILayout.Label(team_1.teamName);
                GUILayout.FlexibleSpace();
                GUILayout.EndHorizontal();
                foreach(PhotonPlayer player in allPlayers){
                    if((string)player.customProperties["TeamName"] == team_1.teamName){
                        if(PhotonNetwork.player.name == player.name){
                            GUI.color = Color.yellow;
                        }else{
                            GUI.color = Color.white;
                        }
                        GUILayout.BeginHorizontal("box");{
                            GUILayout.Label(player.name, GUILayout.Width(150));
                            GUILayout.Label("Kills: " + ((int)player.customProperties["Kills"]).ToString(), GUILayout.Width(115));
                            GUILayout.Label("Deaths: " + ((int)player.customProperties["Deaths"]).ToString(), GUILayout.Width(115));
                            GUILayout.FlexibleSpace();
                            if(player.customProperties["Ping"] != null){
                                GUILayout.Label("Ping: " + ((int)player.customProperties["Ping"]).ToString());
                            }
                            GUILayout.EndHorizontal();}
                    }
                }
                //*************************************************************************************
                //Display Team 2 **************************************************************************
                GUILayout.BeginHorizontal();
                GUILayout.FlexibleSpace();
                GUI.color = team_2_Color;
                GUILayout.Label(team_2.teamName);
                GUILayout.FlexibleSpace();
                GUILayout.EndHorizontal();
                foreach(PhotonPlayer player in allPlayers){
                    if((string)player.customProperties["TeamName"] == team_2.teamName){
                        if(PhotonNetwork.player.name == player.name){
                            GUI.color = Color.yellow;
                        }else{
                            GUI.color = Color.white;
                        }
                        GUILayout.BeginHorizontal("box");{
                            GUILayout.Label(player.name, GUILayout.Width(150));
                            GUILayout.Label("Kills: " + ((int)player.customProperties["Kills"]).ToString(), GUILayout.Width(115));
                            GUILayout.Label("Deaths: " + ((int)player.customProperties["Deaths"]).ToString(), GUILayout.Width(115));
                            GUILayout.FlexibleSpace();
                            if(player.customProperties["Ping"] != null){
                                GUILayout.Label("Ping: " + ((int)player.customProperties["Ping"]).ToString());
                            }
                            GUILayout.EndHorizontal();}
                    }
                }
                //*************************************************************************************
            }else{
                //If game mode is Deathmatch, display all players **************************************************
                GUILayout.BeginHorizontal();
                GUILayout.FlexibleSpace();
                GUI.color = Color.green;
                GUILayout.Label("All Players");
                GUILayout.FlexibleSpace();
                GUILayout.EndHorizontal();
                foreach(PhotonPlayer player in allPlayers){
                    if((string)player.customProperties["TeamName"] != "Spectators"){
                        if(PhotonNetwork.player.name == player.name){
                            GUI.color = Color.yellow;
                        }else{
                            GUI.color = Color.white;
                        }
                        GUILayout.BeginHorizontal("box");{
                            GUILayout.Label(player.name, GUILayout.Width(150));
                            GUILayout.Label("Kills: " + ((int)player.customProperties["Kills"]).ToString(), GUILayout.Width(115));
                            GUILayout.Label("Deaths: " + ((int)player.customProperties["Deaths"]).ToString(), GUILayout.Width(115));
                            GUILayout.FlexibleSpace();
                            if(player.customProperties["Ping"] != null){
                                GUILayout.Label("Ping: " + ((int)player.customProperties["Ping"]).ToString());
                            }
                            GUILayout.EndHorizontal();}
                    }
                }
            }
            //Display Spctators ****************************************************************************
            GUILayout.BeginHorizontal();
            GUILayout.FlexibleSpace();
            GUI.color = Color.green;
            GUILayout.Label("- Spectators -");
            GUILayout.FlexibleSpace();
            GUILayout.EndHorizontal();
            foreach(PhotonPlayer player in allPlayers){
                if((string)player.customProperties["TeamName"] == "Spectators"){
                    if(PhotonNetwork.player.name == player.name){
                        GUI.color = Color.yellow;
                    }else{
                        GUI.color = Color.white;
                    }
                    GUILayout.BeginHorizontal("box");{
                        GUILayout.Label(player.name);
                        GUILayout.FlexibleSpace();
                        if(player.customProperties["Ping"] != null){
                            GUILayout.Label("Ping: " + ((int)player.customProperties["Ping"]).ToString());
                        }
                        GUILayout.EndHorizontal();}
                }
            }
            //*************************************************************************************
        }
        GUILayout.EndScrollView();
    }
    void  Resolutions(){
        GUILayout.BeginVertical();
        GUILayout.Label("Resolution");
        scroll = GUILayout.BeginScrollView(scroll, GUILayout.Width(140), GUILayout.Height(100));
        GUILayout.BeginVertical();
        for(int a = 0; a < resolutions.Length; a++){
            if(resolutions[a].width == Screen.width && resolutions[a].height == Screen.height){
                GUI.color = new Color(0, 20, 20, 0.6f);
            }else{
                GUI.color = new Color(20, 20, 20, 0.6f);
            }
            if(GUILayout.Button(resolutions[a].width + " x " + resolutions[a].height)){
                resolutionIndex = a;
                if(Screen.fullScreen){
                    Screen.SetResolution (resolutions[resolutionIndex].width,resolutions[resolutionIndex].height, true); 
                }
            }
        }
        GUILayout.EndVertical();
        GUILayout.EndScrollView();
        GUILayout.EndVertical();
    }
    void QualityWindow(){
        //GUILayout.Space (10);
        GUILayout.BeginVertical();
        GUI.color = Color.white;
        GUILayout.Label("Quality");
        scroll2 = GUILayout.BeginScrollView(scroll2, GUILayout.Width(140), GUILayout.Height(100));
        GUILayout.BeginVertical();
        for (var i = 0; i < QualityNames.Length; i++){
            if(QualityNames[i] == QualityNames[QualitySettings.GetQualityLevel ()]){
                GUI.color = new Color(0, 20, 20, 0.6f);
            }else{
                GUI.color = new Color(20, 20, 20, 0.6f);
            }
            if (GUILayout.Button (QualityNames[i]))
                QualitySettings.SetQualityLevel (i, true);
        }
        GUILayout.EndVertical();
        GUILayout.EndScrollView();
        GUILayout.EndVertical();
    }
    void FadeScreen(){
        if(fadeDir == 1){
            fadeValue += fadeDir * 15 * Time.deltaTime; 
            fadeValue = Mathf.Clamp01(fadeValue); 
            GUI.color = new Color(1,1,1,fadeValue);
            GUI.DrawTexture(new Rect(0,0, Screen.width, Screen.height), blackScreen); 
            GUI.color = Color.white;
            GUI.Label(new Rect(Screen.width/2 - 75, Screen.height/2 - 15, 150, 30), "Loading...");
        }
    }

And this is how i see my pause menu:

You might want to try the IMGUI forum:

This forum is for UIElements, a new UI API that is currently only available for the Editor.

sorry didnt see that, my bad :hushed: