please help me for getting eroor : select "gt.shiftkerja","i.jenis","i.konsinyasi","gp.group" from "tbl_ikhd gt"@PG  
join "tbl_ikdt dt"@PG on "gt.notransaksi"="dt.notransaksi"
join "tbl_item i"@PG on "dt.kodeitem"="i.kodeitem"
LEFT JOIN "group_posting gp"@PG on "gp.kode_group"="i.jenis"and "gp.konsinyasi"="i.konsinyasi"
where to_char("gt.tanggal", 'YYYY-MM-DD')='2017-09-08' group by "gt.shiftkerja","i.jenis","i.konsinyasi","gp.group" order by "gt.shiftkerja","gp.group";






this my error status: ORA-28500: connection from ORACLE to a non-Oracle system returned this message: ERROR: relation "group_posting gp" does not exist; No query has been executed with that handle {42P01,NativeErr = 1} ORA-02063: preceding 3 lines from PG
