public ondialogresponse
gasesti mai jos asta 	if(strlen(inputtext) >= 1) {
	if(strfind(inputtext, "%", true) != -1 || strfind(inputtext, "`", true) != -1) return SCM(playerid, COLOR_WHITE,"Caractere invalide!");
	}

o inlocuiesti cu asta

	if(strfind(inputtext, "%", true) != -1)
	{
		SendClientMessage(playerid, COLOR_GENANNOUNCE, "SERVER: Invalid dialog input. You can't use %%.");
		ShowPlayerDialog(playerid, dialogid, DIALOG_STYLE_INPUT, "Invalid dialog input", "Invalid dialog input", "OK", "Exit");
		return 1;
	}