bitcask merge error

gistfile1.txt

=ERROR REPORT==== 6-Jul-2011::23:04:27 ===
Failed to merge ["/var/lib/riak/bitcask/922002009488050083163652736264373858103254319104",
                 [],
                 ["/var/lib/riak/bitcask/922002009488050083163652736264373858103254319104/1302041143.bitcask.data",
                  "/var/lib/riak/bitcask/922002009488050083163652736264373858103254319104/1309992379.bitcask.data"]]: {{case_clause,
                                                                                                                        <<13,160,
                                                                                                                          201,224,
                                                                                                                          77,155,
                                                                                                                          162,231,
                                                                                                                          0,59,0,0>>},
                                                                                                                       [{bitcask_fileops,
                                                                                                                         fold_loop,
                                                                                                                         7},
                                                                                                                        {bitcask,
                                                                                                                         merge_single_entry,
                                                                                                                         6},
                                                                                                                        {bitcask,
                                                                                                                         merge_files,
                                                                                                                         1},
                                                                                                                        {bitcask,
                                                                                                                         merge1,
                                                                                                                         3},
                                                                                                                        {bitcask_merge_worker,
                                                                                                                         do_merge,
                                                                                                                         1}]}

=ERROR REPORT==== 6-Jul-2011::23:10:54 ===
Failed to merge ["/var/lib/riak/bitcask/1418684206549724121771936253632798165564450144256",
                 [],
                 ["/var/lib/riak/bitcask/1418684206549724121771936253632798165564450144256/1302041136.bitcask.data",
                  "/var/lib/riak/bitcask/1418684206549724121771936253632798165564450144256/1309983773.bitcask.data"]]: {{case_clause,
                                                                                                                         <<"?I">>},
                                                                                                                        [{bitcask_fileops,
                                                                                                                          fold_loop,
                                                                                                                          7},
                                                                                                                         {bitcask,
                                                                                                                          merge_single_entry,
                                                                                                                          6},
                                                                                                                         {bitcask,
                                                                                                                          merge_files,
                                                                                                                          1},
                                                                                                                         {bitcask,
                                                                                                                          merge1,
                                                                                                                          3},
                                                                                                                         {bitcask_merge_worker,
                                                                                                                          do_merge,
                                                                                                                          1}]}