[mansonh]

//Here your end your if statement in one line
if(strcmp(params,"lvpd",true) == 0) return SendClientMessage(playerid,0xFF0000FF,"Usage: /open [gate]");
then right after you try to use a { for the if statement
{

You can either do
if(...) function;
or
if(...)
{
functions
}

Man, I have seen a lot of stuff like this from your posts, please please
https://sampwiki.blast.hk/