if(listitem == 0)
{
ShowPlayerDialog(playerid, 111,DIALOG_STYLE_LIST,"{78FF6C}Base{00FFFF}Jumps","{0015FF}Base Jump 1\n{0015FF}Base Jump 2\n{0015FF}Base Jump 3\n{0015FF}Base Jump 4\n{0015FF}Base Jump 5","Teleport","Close");
}
_________________________________________________________________________________________________

else if(dialogid == 111)
{
if(response == 1)
{
if(listitem == 0)
{
if(IsPlayerInDM[playerid] == 0)
{
new str1[128], player2[MAX_PLAYER_NAME];
GetPlayerName(playerid, player2, sizeof(player2));
format(str1,sizeof(str1),"%s has been teleported to Base Jump 1(/bj1)",player2);
SendClientMessageToAll(COLOR_LIGHTCOLOR_BLUE,str1);
SetPlayerPos(playerid, 1666.7014,-1218.3112,233.3750);
SetPlayerInterior(playerid, 0);
SendClientMessage(playerid, COLOR_YELLOW, "Welcome to BaseJump 1");
GivePlayerWeapon(playerid, 46, 1);
}

E:\server0\gamemodes\gm4.pwn(6714) : error 002: only a single statement (or expression) can follow each "case"

switch(dialogid)
  {
    case 111:
    {
    if(!response)
      {
      switch(listitem)
       {
       case 0:
       {
       ShowPlayerDialog(playerid, 222, DIALOG_STYLE_LIST,"Base Jumps","Base Jump 1\nBase Jump 2\nBase Jump 3\nBase Jump 4\nBase Jump 5","Teleport","Close");
       }
       case 1:
       {
       ShowPlayerDialog(playerid, 333, DIALOG_STYLE_LIST,"Stunts","MiniStunt\nLas Venturas Stunt\nLos Santos Stunts\nCrazy Loop\nParkourMaddness\nMiniRollerCoster\nMount Chiliad Stunts\nMullholand\nPershing Square\nBay Side","Teleport","Close");
       }
       case 2:
       {
       ShowPlayerDialog(playerid, 444, DIALOG_STYLE_LIST,"HotSpots","Saint Maria Beach\nGroveStreet\nSaint Marks\nUnity Stations\nMaddogs Mansion","Teleport","Close");
       }
       case 3:
       {
       ShowPlayerDialog(playerid, 555, DIALOG_STYLE_LIST,"Cities","Los Santos\nLas Venturas\nSan Fierro","Teleport","Close");
       }
       case 4:
       {
       ShowPlayerDialog(playerid, 666, DIALOG_STYLE_LIST,"Crazy Roads","Crazy Loop\nDisco Road\nCrazy Glass Road\nLong Drive","Teleport","Close");
       }
       case 5:
       {
       ShowPlayerDialog(playerid, 777, DIALOG_STYLE_LIST,"Interiors","Saint Marks\nCity Hall\nBank\nHospital\nLVPD\nLSPD\nSFPD","Teleport","Close");
       }
       case 6:
       {
       ShowPlayerDialog(playerid, 888, DIALOG_STYLE_LIST,"Derby","Las Venturas Derby\nLos Santos Derby\nQuarry Derby\nSan Fierro Derby","Teleport","Close");
       }
       case 7:
       {
       ShowPlayerDialog(playerid, 999, DIALOG_STYLE_LIST,"Drift","Las Venturas Drift\nDrift\nSan Fierro Drift\nLos Santos Drift","Teleport","Close");
       return 1;
       }
   }
}
return 0;
}