[SL] error message

[Joseph A. M. <ja...@jo...>]

I am getting the following error message when trying to post g/l transactions.
Am an accountant not computer geek. Any help appreciated.




DBD::Pg::db do failed: ERROR: could not load library "/usr/lib64/postgresql/plpgsql.so": /usr/lib64/postgresql/plpgsql.so: undefined symbol: resolve_polymorphic_argtypes

Error!
INSERT INTO gl (reference, employee_id)
VALUES ('116950461315233', (SELECT id FROM employee
WHERE login = 'cfsgadmin'))
ERROR: could not load library "/usr/lib64/postgresql/plpgsql.so": /usr/lib64/postgresql/plpgsql.so: undefined symbol: resolve_polymorphic_argtypes