caused by ?

[Peter J Etheridge]

Dear Erlangers,
I tried;
>application:ensure_all_started(wx_mn_app).

Where should i be looking to find the cause of;
=CRASH REPORT==== 12-Dec-2020::16:00:14.342300 ===
  crasher:
    initial call: application_master:init/4
    pid: 
    registered_name: []
    exception exit: {{node_not_running,nonode@REDACTED},
                    
{wx_mn_app,start,[normal,[normal,[]]]}}
      in function  application_master:init/4
(application_master.erl, line 138)
    ancestors: []
    message_queue_len: 1
    messages: [{'EXIT',,normal}]
    links: [,]
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 376
    stack_size: 28
    reductions: 193
  neighbours:

=INFO REPORT==== 12-Dec-2020::16:00:14.345172 ===
    application: wx_mn_app
    exited: {{node_not_running,nonode@REDACTED},
             {wx_mn_app,start,[normal,[normal,[]]]}}
    type: temporary

{error,{wx_mn_app,{{node_not_running,nonode@REDACTED},
                  
{wx_mn_app,start,[normal,[normal,[]]]}}}}

Thank you in advance.
Happy coding,Peter


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