Hi i am running a website in joomla 1.5.26 and recently i updated the components and modules for Book Library BASIC (free version) to the 2.2 last release. Ordasoft team, you must check the xml files of the modules for this new 2.2 version that are published for download, i mean all of them have this bug, top listing module, same author module, new books etc.
For example in the file mod_booklibrary_top_listing.xml of the module for top listing books at line 50 is says:
While it must be:
Notice the error at the word "group" is written "gruop". This way in the module manager when trying to edit the module options wont appear at left side.