pg_dump Error

Hello Sir !
I am really greate ful for Postgresql. It's realy a good open source database. I am using it from six months. But now a
daysI am getting one strange error while using pg_dump.i.e. while dumping the data from the database. 
I have created procedural language through CREATELANG command.Procedural language is PLPGSQL.Now i am getting Error
whiledumping the data in plain text format regarding the procedural language , though i have created the language.Error
isgiven bellow. 

pg_dump: procedural language for function fun_update_tptype_master not found

Waiting for positive respoce from your side.
Regards,
Yogesh.


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