create Arena
Saves a new arena to the database.
Parameters
table Prefix
the prefix, if any, to use for the container.
id
the ID of the new arena.
data
the data of the new arena.
Throws
if an I/O error occurs while saving the new arena.
Saves a new arena to the database.
the prefix, if any, to use for the container.
the ID of the new arena.
the data of the new arena.
if an I/O error occurs while saving the new arena.