engageCluster2 endpoint - Unexpected server error, request logged

POST http://172.23.120.240:8091/controller/addNode body: hostname=http%3A%2F%2F172.23.120.241%3A8091&user=Administrator&password=password headers: {'Content-Type': 'application/x-www-form-urlencoded', 'Authorization': 'Basic QWRtaW5pc3RyYXRvcjpwYXNzd29yZA==', 'Accept': '*/*'} error: 400 reason: unknown b'["Prepare join failed. Got HTTP status 500 from REST call post to http://172.23.120.241:8091/engageCluster2. Body was: \\"[\\\\\\"Unexpected server error, request logged.\\\\\\"]\\""]' auth: Administrator:password

[user:info,2021-08-22T16:48:54.215-07:00,ns_1@172.23.120.240:<0.7112.0>:ns_cluster:add_node_to_group:84]Failed to add node 172.23.120.241:8091 to cluster. Prepare join failed. Got HTTP status 500 from REST call post to http://172.23.120.241:8091/engageCluster2. Body was: "[\"Unexpected server error, request logged.\"]"

[error_logger:error,2021-08-22T16:48:54.623-07:00,ns_1@172.23.120.240:<0.407.0>:ale_error_logger_handler:do_log:101]

=========================CRASH REPORT=========================

  crasher:

    initial call: ns_log:'-start_link_crash_consumer/0-fun-0-'/0

    pid: <0.407.0>

    registered_name: []

    exception exit: {{nodedown,'babysitter_of_ns_1@cb.local'},

                     {gen_server,call,

                                 [{ns_crash_log,'babysitter_of_ns_1@cb.local'},

                                  consume,infinity]}}

      in function  gen_server:call/3 (gen_server.erl, line 223)

      in call from ns_log:crash_consumption_loop/0 (src/ns_log.erl, line 56)

      in call from misc:delaying_crash/2 (src/misc.erl, line 1719)

    ancestors: [ns_server_sup,ns_server_nodes_sup,<0.261.0>,

                  ns_server_cluster_sup,root_sup,<0.140.0>]

    message_queue_len: 0

    messages: []

    links: [<0.395.0>]

    dictionary: []

    trap_exit: false

    status: running

    heap_size: 987

    stack_size: 27

    reductions: 6244

  neighbours:

[ns_server:info,2021-08-22T16:48:54.140-07:00,ns_1@cb.local:<0.5873.0>:ns_cluster:apply_net_config:185]Applying net config. AFamily: inet, AFamilyOnly: false, NEncryption: false, DistProtos: [{inet,

                                                                                          false}]

[cluster:debug,2021-08-22T16:48:54.142-07:00,ns_1@cb.local:ns_cluster<0.243.0>:ns_cluster:handle_call:411]handling engage_cluster([{<<"autogeneratedCA">>

[error_logger:error,2021-08-22T16:48:54.196-07:00,ns_1@172.23.120.241:chronicle_local<0.211.0>:ale_error_logger_handler:do_log:101]

=========================CRASH REPORT=========================

  crasher:

    initial call: gen_server2:init/1

    pid: <0.211.0>

    registered_name: chronicle_local

    exception error: no match of right hand side value

                     {error,{conflict,{<<"989642613a3da61682de6498f99d9a85">>,

                                       13}}}

      in function  chronicle_local:handle_rename/1 (src/chronicle_local.erl, line 152)

      in call from chronicle_local:handle_call/3 (src/chronicle_local.erl, line 96)

      in call from gen_server2:handle_call/3 (src/gen_server2.erl, line 214)

      in call from gen_server:try_handle_call/4 (gen_server.erl, line 661)

      in call from gen_server:handle_msg/6 (gen_server.erl, line 690)

    ancestors: [ns_server_cluster_sup,root_sup,<0.140.0>]

    message_queue_len: 0

    messages: []

    links: [<0.207.0>]

    dictionary: [{{'$gen_server2',{have_callback,init}},true},

                  {{'$gen_server2',{have_callback,handle_call}},true},

                  {{'$gen_server2',module},chronicle_local},

                  {{'$gen_server2',{have_callback,handle_job_death}},false},

                  {{'$gen_server2',{have_callback,code_change}},false},

                  {{'$gen_server2',{have_callback,terminate}},false},

                  {{'$gen_server2',{have_callback,handle_cast}},false},

                  {{'$gen_server2',{have_callback,handle_info}},true},

                  {{'$gen_server2',conditions},[]}]

    trap_exit: false

    status: running

    heap_size: 10958

    stack_size: 27

    reductions: 26764

  neighbours: