[postgis-users] tsearch2() problem

[Mario Soto]

when execute the query;

vasa_test=# select * from pg_ts_cfg;
     ts_name     | prs_name |    locale
-----------------+----------+--------------
 default         | default  | C
 default_russian | default  | ru_RU.KOI8-R
 simple          | default  |
(3 filas)


but when execute the query

vasa_test=# select to_tsvector('default',
vasa_test(#      'The walls extend upward for well over 100 feet.');
ERROR:  cache lookup failed for function 2556275

any help please

thank