Incorrect syntax near')'

hi every1....

when i convert the query from graphics mode to syntax mode, i am getting an error like: Incorrect syntax near')'

and the query is :

  SELECT auth.c_name,  

         auth.auth  ,

substring( auth.auth, 1 ,1) AS COLUMN_0 ,

( select "Function" from key5932 where "key-Index" ='0' ) as index0,

FROM auth  

where auth.c_name = :a_name

can any1 pls help me....