Th 502 Bd Gtwy rrr s n HTTP stts cd tht ccrs whn srvr ctng s gtwy r prxy rcvs n nvld r flty rspns frm nthr srvr n th cmmnctn chn. Ths rrr ndcts prblm wth th cmmnctn btwn th nvlvd srvrs nd cn rslt n dsrptn f ntrnt srvcs. Th 502 Bd Gtwy rrr s cnsdrd n f th mst cmmn rrr cds n th ntrnt nd cn ccr n vrs scnrs.