Library Settings / Library Settings / Library Settings / Basic Settings / Allow the lending of multiple copies of the same book
Here, you can specify if Classter will allow students/educators to borrow more than one copies of the same book.
Example
Setting -> Active
As you can see in Figure 1, Mark Grixti has borrowed two copies of the same book.
Figure 1
Setting -> Inactive
He cannot borrow copy 85-2 of the same book because he has already borrowed a copy 85-3. (Figure 2)
Figure 2