Error handlers

quick error handling reference docid\ mettcf9yurrywtsf1whdw break error handler docid\ hxe6n1fool691glswodgy commit error handler docid 2iifydg6v5dw 94 jkm2i ignore error handler docid\ xzfc2uhei4kmsmhydbnmp resume error handler docid\ wr8aaeme2ptfar38vxd3p rollback error handler docid 64ex54pn88vgyejrsx10g