BUG #8386: function crosstab(unknown) does not exist

The following bug has been logged on the website:

Bug reference:      8386
Logged by:          pradeep v
Email address:      pradeep.v.prade@gmail.com
PostgreSQL version: 9.2.1
Operating system:   windows 7
Description:

when i execute query
 SELECT * FROM crosstab(
       'SELECT section, status, count
        FROM   t
        ORDER  BY 1,2')
AS ct ("Section" text, "Active" text, "Inactive" int);




the "function crosstab(unknown) does not exist" error comes may i know why?