Error running MapReduce operation. Status: 500 : {"phase":"index","error":"{badmatch,{'EXIT',timeout}}","input":"{cover,[{1392993748081016843912887106182707253109560705024,[1392993748081016843912887106182707253109560705024]}],{<<\"dup_fp_v1\">>,{eq,<<\"4fe02d2803d27a16160001bd_fp_38_int\">>,545997270}}}","type":"error","stack":"[{riak_core_vnode_proxy,call,2},{riak_pipe_vnode,queue_work_send,4},{riak_pipe_vnode,queue_work_erracc,6},{riak_kv_pipe_index,keysend,4},{riak_kv_pipe_index,keysend_loop,3},{riak_kv_pipe_index,process,3},{riak_pipe_vnode_worker,process_input,3},{riak_pipe_vnode_worker,wait_for_input,2}]"}