I need help , this gui isn”t working

[enzopaul4]

GUIEditor = {
    label = {},
    edit = {},
    button = {},
    window = {},
    combobox = {},
    memo = {}
}
    function diploma()
local screenW, screenH = guiGetScreenSize()
 if (getElementData(player,"faction")) == 4 and ( getElementData(player, "factionleader")) then
        GUIEditor.window[1] = guiCreateWindow((screenW - 666) / 2, (screenH - 384) / 2, 666, 384, "Diplomă Universitate", false)
        guiWindowSetSizable(GUIEditor.window[1], false)
        guiSetProperty(GUIEditor.window[1], "CaptionColour", "FF00FFFC")

        GUIEditor.button[1] = guiCreateButton(257, 347, 137, 27, "Ieși", false, GUIEditor.window[1])
        guiSetProperty(GUIEditor.button[1], "NormalTextColour", "FFFF0000")
        GUIEditor.label[1] = guiCreateLabel(10, 26, 137, 48, "Nume Elev:", false, GUIEditor.window[1])
        guiLabelSetColor(GUIEditor.label[1], 0, 255, 252)

        GUIEditor.memo[1] = guiCreateMemo(181, 4, 20, 20, "", false, GUIEditor.label[1])

        GUIEditor.label[2] = guiCreateLabel(254, 32, 149, 31, "Descriere Diplomă:", false, GUIEditor.window[1])
        guiLabelSetColor(GUIEditor.label[2], 0, 255, 252)
        GUIEditor.memo[2] = guiCreateMemo(359, 24, 293, 313, "", false, GUIEditor.window[1])
        GUIEditor.label[3] = guiCreateLabel(398, 343, 274, 36, "Maxim : 150 Caractere.(Pentru ajutor \n/ajutordiploma)", false, GUIEditor.window[1])
        guiLabelSetColor(GUIEditor.label[3], 0, 245, 255)
        GUIEditor.label[4] = guiCreateLabel(7, 71, 155, 36, "Semnătură Director:", false, GUIEditor.window[1])
        guiLabelSetColor(GUIEditor.label[4], 0, 245, 255)
        GUIEditor.label[5] = guiCreateLabel(10, 109, 135, 29, "Semnătură Diriginte/ă:", false, GUIEditor.window[1])
        guiLabelSetColor(GUIEditor.label[5], 0, 245, 255)
        GUIEditor.edit[1] = guiCreateEdit(77, 21, 130, 30, "", false, GUIEditor.window[1])
        GUIEditor.edit[2] = guiCreateEdit(121, 64, 133, 32, "", false, GUIEditor.window[1])
        GUIEditor.edit[3] = guiCreateEdit(135, 106, 133, 32, "", false, GUIEditor.window[1])
        GUIEditor.label[6] = guiCreateLabel(11, 148, 151, 37, "TIP:", false, GUIEditor.window[1])
        guiLabelSetColor(GUIEditor.label[6], 0, 245, 255)
        GUIEditor.combobox[1] = guiCreateComboBox(40, 147, 140, 90, "Diplomă Mechanic", false, GUIEditor.window[1])
        guiComboBoxAddItem(GUIEditor.combobox[1], "Diplomă Mechanic")
        guiComboBoxAddItem(GUIEditor.combobox[1], "Diplomă Medic")
        guiComboBoxAddItem(GUIEditor.combobox[1], "Diplomă Polițist/ă")
        guiComboBoxAddItem(GUIEditor.combobox[1], "Diplomă Politică")
        GUIEditor.button[2] = guiCreateButton(194, 150, 140, 41, "Oferă Diploma", false, GUIEditor.window[1])
        guiSetProperty(GUIEditor.button[2], "NormalTextColour", "FF00F5FF")
        GUIEditor.label[7] = guiCreateLabel(10, 183, 350, 164, "\n\n((OOC , Acest sistem este încă în teste , dacă găsiți o \nproblemă nu ezitați să contactați un membru staff online!\n\n\n\n                       Mulțumim de înțelegere!\n\nP.S.Să nu abuzați că vă tai semnat Paul_Dima și \n Cojocaru_Daniel", false, GUIEditor.window[1])
        guiSetFont(GUIEditor.label[7], "default-bold-small")
        guiLabelSetColor(GUIEditor.label[7], 0, 245, 255)    
    end
function arataDiploma()
	if not guiGetVisible(GUIEditor.window[1]) then
		guiSetVisible(GUIEditor.window[1],true)
		
		showCursor(true,true)
	end
end
end
addCommandHandler("oferadiploma",showVehicleSelection)

So .. i create this gui but if i enter the game and i write the command it isn't working , i am in the right faction and leader . Can you help me guys? I cannot find what is wrong , thank you anyway!