[TYPO3-extbase-kickstarter] Method injectBookRepository .....

[Nicolas de Haen]

Hi Mario,

this might happen if you deleted a book, but the link to the show action 
of this book is still displayed on the cached page.

Please clear the cache and load the page with the link to the 
show-action again.

One possibility to test your code would be, to disable the caching for 
the page, where the plugin is located, but you should never do that in 
production websites. Go to page properties->behaviour->Caching.

In production mode it is a good practice to have different pages for 
creating and listing actions.

Regards,
Nico