Explicit type casts for unapi.bre? huh

open-ils.cstore: [ERR :29528:oils_sql.c:5800:14706920132964721] open-ils.cstore: Error with query [SELECT * FROM unapi.bre( '760264', 'marcxml', 'record', '{holdings_xml,mra,acp,acnp,acns,bmp,cbs}', 'CONIFER', '0', 'acn=>5,acp=>5', NULL, NULL, '1' ) AS "unapi.bre" ;]: 6820925 6820925: ERROR:  function unapi.bre(unknown, unknown, unknown, unknown, unknown, unknown, unknown, unknown, unknown, unknown) is not unique#012LINE 1: SELECT * FROM unapi.bre( '760264', 'marcxml', 'record', '{ho...#012                      ^#01    2HINT:  Could not choose a best candidate function. You might need to add explicit type casts.