=CRASH REPORT==== 8-Apr-2019::23:37:19.038905 === <0.969.0> proc_lib:crash_report/4:508 crasher: initial call: kafire_fetcher:init/1 pid: <0.969.0> registered_name: [] exception error: no function clause matching kafire_fetcher:handle_event(info, {timeout, #Ref<0.2399112782.889192450.118024>, fetch}, subsequent_fetches, our_state) (src/kafire_fetcher.erl, line 445) in function gen_statem:call_state_function/5 (gen_statem.erl, line 1662) in call from gen_statem:loop_event_state_function/6 (gen_statem.erl, line 1023) ancestors: [<0.931.0>,<0.332.0>,kafire_cluster_sup,kafire_sup,<0.227.0>] message_queue_len: 279 messages: [{timeout,#Ref<0.2399112782.903610369.70160>,fetch}, {cancel_timer,#Ref<0.2399112782.903610369.70160>,false}, {cancel_timer,#Ref<0.2399112782.903610369.70168>,4}, {cancel_timer,#Ref<0.2399112782.889192450.118038>,5}, {cancel_timer,#Ref<0.2399112782.889192450.118039>,5}, {cancel_timer,#Ref<0.2399112782.889192450.118043>,5}, 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