[Private200]

pawn Код:

// On the command
TextDrawSetString(invtextdraw2,string);

pawn Код:

// On Player Connect
invtextdraw2[playerid] = TextDrawCreate(68.750000, 
TextDrawLetterSize(invtextdraw2[playerid] , 0.234374
TextDrawAlignment(invtextdraw2[playerid] , 1);      
TextDrawColor(invtextdraw2[playerid] , -1);         
TextDrawSetShadow(invtextdraw2[playerid] , 0);      
TextDrawSetOutline(invtextdraw2[playerid] , 1);     
TextDrawBackgroundColor(invtextdraw2[playerid] , 51)
TextDrawFont(invtextdraw2[playerid] , 1);           
TextDrawSetProportional(invtextdraw2[playerid] , 1);

pawn Код:

// Top of script
new Text:invtextdraw2[MAX_PLAYERS];

As Hudson said. "[playerid]" is not used in the TextDrawSetString, that's why it shows that error.