A PHP Error was encountered

Severity: Warning

Message: Missing argument 2 for books::author_books()

Filename: controllers/books.php

Line Number: 331

A PHP Error was encountered

Severity: Notice

Message: Undefined variable: authorid

Filename: controllers/books.php

Line Number: 342

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/iztokzapad/public_html/prowebstationsystem/libraries/Exceptions.php:166)

Filename: codeigniter/Common.php

Line Number: 360

Database Error

A Database Error Occurred

Error Number: 1064

You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 2

SELECT name_bg AS name FROM authors WHERE id =