The second is wrong.
ている is for describing an ongoing action.
てある is for describing something that has been done (for a purpose).
私は本を読んでいる
I am reading a book.
本はテーブルに置いてある
The book is on the table.
You'll often see を・・・ている and は・・・てある.
Keep an eye on the particles to figure what is going on.