Error message
- Warning: Trying to access array offset on value of type null in book_prev() (line 787 of modules/book/book.module).
- Warning: Trying to access array offset on value of type null in book_prev() (line 791 of modules/book/book.module).
- Notice: Only variables should be passed by reference in eval() (line 4 of modules/php/php.module(80) : eval()'d code).
Indiasoft 2016 Mumbai 3./4.Mar 16