2018-03-04 12:58:41 =ERROR REPORT====
** Generic server ejabberd_iq terminating
** Last message in was {route,{iq,<<"rr-1520146721343-17205591270174825656-7L12+n2z6kZAihd9QkkeSDP02IU=-ejabberd@localhost">>,result,<<>>,{jid,<<"m1">>,<<"localhost">>,<<>>,<<"m1">>,<<"localhost">>,<<>>},{jid,<<"b1">>,<<"localhost">>,<<"151168903183063349662210">>,<<"b1">>,<<"localhost">>,<<"151168903183063349662210">>},[],#{}},{1520146721343,<<"17205591270174825656">>}}
** When Server state == {state,1520146721343}
** Reason for termination ==
** {badarg,[{ejabberd_iq,callback,3,[{file,"src/ejabberd_iq.erl"},{line,176}]},{ejabberd_iq,handle_info,2,[{file,"src/ejabberd_iq.erl"},{line,89}]},{gen_server,try_dispatch,4,[{file,"gen_server.erl"},{line,616}]},{gen_server,handle_msg,6,[{file,"gen_server.erl"},{line,686}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,247}]}]}
2018-03-04 12:58:41 =CRASH REPORT====
  crasher:
    initial call: ejabberd_iq:init/1
    pid: <0.426.0>
    registered_name: ejabberd_iq
    exception error: bad argument: [{ejabberd_iq,callback,3,[{file,"src/ejabberd_iq.erl"},{line,176}]},{ejabberd_iq,handle_info,2,[{file,"src/ejabberd_iq.erl"},{line,89}]},{gen_server,try_dispatch,4,[{file,"gen_server.erl"},{line,616}]},{gen_server,handle_msg,6,[{file,"gen_server.erl"},{line,686}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,247}]}]
    ancestors: [ejabberd_sup,<0.69.0>]
    message_queue_len: 0
    messages: []
    links: [<0.331.0>]
    dictionary: []
    trap_exit: false
    status: running
    heap_size: 610
    stack_size: 27
    reductions: 871
  neighbours:
2018-03-04 12:58:41 =SUPERVISOR REPORT====
     Supervisor: {local,ejabberd_sup}
     Context:    child_terminated
     Reason:     {badarg,[{ejabberd_iq,callback,3,[{file,"src/ejabberd_iq.erl"},{line,176}]},{ejabberd_iq,handle_info,2,[{file,"src/ejabberd_iq.erl"},{line,89}]},{gen_server,try_dispatch,4,[{file,"gen_server.erl"},{line,616}]},{gen_server,handle_msg,6,[{file,"gen_server.erl"},{line,686}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,247}]}]}
     Offender:   [{pid,<0.426.0>},{id,ejabberd_iq},{mfargs,{ejabberd_iq,start_link,[]}},{restart_type,permanent},{shutdown,5000},{child_type,worker}]