Hello,
True said I not know how help.
For me that work.
Please from attachment replace on yours site files:
{yours site}/administrator/components/com_booklibrary/admin.booklibrary.class.impexp.php
{yours site}//administrator/components/com_booklibrary/admin.booklibrary.html.php
{yours site}//administrator/components/com_booklibrary/admin.booklibrary.php
but first please backup these files.
Thanks,
OrdaSoft team