ID:2900909
 
(See the best response by Meme01.)
mob/Trainer
admin
verb
Get_Pokeball()
set category="Admins"
var/obj/Item/Balls/PremiumBall/g=new
src.contents+=g

WarpTo()
set category="Admins"
var/mob/m=input(src,"Where will you tele to?") in OnlinePlayers-src
if(m)
src.loc=locate(m.x+1,m.y,m.z)

Warp()//pull a player to you.
set category="Admins"
var/mob/m=input(src,"Who will you draw to you?") in OnlinePlayers-src
if(m)
m.loc=locate(src.x+1,src.y,src.z)

Summon_Item()
set category="Admins"
var/m=input(src,"Summon what item?") in all_items
if(m)
var/d=all_items[m]
var/obj/Item/a=new d
src.contents+=a
src<<"You just summoned a new item."

Best response
Indentation looks way off. Fix that first.
Could You Give Me The Key On How To Fix It?
Now It Gives Me This Error, After I Put That,

Admin.dm:3:error: location of top-most unmatched {
Please edit your post to put your code inside of <dm> ... </dm> tags. There's no way to see the indentation properly without that.

You definitely have something wrong with your indentation, since that what the error message is telling you. An indent is considered equivalent to a left brace, so there's some kind of issue with the indentation not matching up.
How Do I Do That?