Getting rebar3 error "Failed creating providers" when attempting to run any LFE commands

[oubiwann]

Full error:

DEBUG=1 rebar3 lfe versions
===> Load global config file /Users/dmcgreggor/.config/rebar3/rebar.config
===> Evaluating config script "/Users/dmcgreggor/.cache/rebar3/plugins/lfe/rebar.config.script"
===> Evaluating config script "/Users/dmcgreggor/.cache/rebar3/plugins/lfe/rebar.config.script"
===> Skipping lfe (from {git,"https://github.com/rvirding/lfe.git",
                                    {branch,"develop"}}) as an app of the same name has already been fetched
===> error: undef []
===> Global config /Users/dmcgreggor/.config/rebar3/rebar.config exists but can not be read. Ignoring global config values.
===> Evaluating config script "/Users/dmcgreggor/lab/lfe/complex/_build/default/plugins/lfe/rebar.config.script"
===> Evaluating config script "/Users/dmcgreggor/lab/lfe/complex/_build/default/plugins/lfe/rebar.config.script"
===> Skipping lfe (from {git,"https://github.com/rvirding/lfe.git",
                                    {branch,"develop"}}) as an app of the same name has already been fetched
===> error: undef []
===> Failed creating providers. Run with DEBUG=1 for stacktrace or consult rebar3.crashdump.

[oubiwann]

Fixing lfe/rebar3#40 should also fix this.