An error occurred while dumping

bundle exec dato dump --token=xxx

Fetching content from DatoCMS… bundler: failed to load command: dato (/home/work/bundle/ruby/2.6.0/bin/dato)
Traceback (most recent call last):
36: from /home/work/.rubies/ruby-2.6.5/bin/bundle:23:in <main>' 35: from /home/work/.rubies/ruby-2.6.5/bin/bundle:23:in load’
34: from /home/work/.rubies/ruby-2.6.5/lib/ruby/gems/2.6.0/gems/bundler-2.3.9/exe/bundle:36:in <top (required)>' 33: from /home/work/.rubies/ruby-2.6.5/lib/ruby/gems/2.6.0/gems/bundler-2.3.9/lib/bundler/friendly_errors.rb:103:in with_friendly_errors’
32: from /home/work/.rubies/ruby-2.6.5/lib/ruby/gems/2.6.0/gems/bundler-2.3.9/exe/bundle:48:in block in <top (required)>' 31: from /home/work/.rubies/ruby-2.6.5/lib/ruby/gems/2.6.0/gems/bundler-2.3.9/lib/bundler/cli.rb:25:in start’
30: from /home/work/.rubies/ruby-2.6.5/lib/ruby/gems/2.6.0/gems/bundler-2.3.9/lib/bundler/vendor/thor/lib/thor/base.rb:485:in start' 29: from /home/work/.rubies/ruby-2.6.5/lib/ruby/gems/2.6.0/gems/bundler-2.3.9/lib/bundler/cli.rb:31:in dispatch’
28: from /home/work/.rubies/ruby-2.6.5/lib/ruby/gems/2.6.0/gems/bundler-2.3.9/lib/bundler/vendor/thor/lib/thor.rb:392:in dispatch' 27: from /home/work/.rubies/ruby-2.6.5/lib/ruby/gems/2.6.0/gems/bundler-2.3.9/lib/bundler/vendor/thor/lib/thor/invocation.rb:127:in invoke_command’
26: from /home/work/.rubies/ruby-2.6.5/lib/ruby/gems/2.6.0/gems/bundler-2.3.9/lib/bundler/vendor/thor/lib/thor/command.rb:27:in run' 25: from /home/work/.rubies/ruby-2.6.5/lib/ruby/gems/2.6.0/gems/bundler-2.3.9/lib/bundler/cli.rb:483:in exec’
24: from /home/work/.rubies/ruby-2.6.5/lib/ruby/gems/2.6.0/gems/bundler-2.3.9/lib/bundler/cli/exec.rb:23:in run' 23: from /home/work/.rubies/ruby-2.6.5/lib/ruby/gems/2.6.0/gems/bundler-2.3.9/lib/bundler/cli/exec.rb:58:in kernel_load’
22: from /home/work/.rubies/ruby-2.6.5/lib/ruby/gems/2.6.0/gems/bundler-2.3.9/lib/bundler/cli/exec.rb:58:in load' 21: from /home/work/bundle/ruby/2.6.0/bin/dato:23:in <top (required)>’
20: from /home/work/bundle/ruby/2.6.0/bin/dato:23:in load' 19: from /home/work/bundle/ruby/2.6.0/gems/dato-0.8.2/exe/dato:10:in <top (required)>’
18: from /home/work/bundle/ruby/2.6.0/gems/thor-1.1.0/lib/thor/base.rb:485:in start' 17: from /home/work/bundle/ruby/2.6.0/gems/thor-1.1.0/lib/thor.rb:392:in dispatch’
16: from /home/work/bundle/ruby/2.6.0/gems/thor-1.1.0/lib/thor/invocation.rb:127:in invoke_command' 15: from /home/work/bundle/ruby/2.6.0/gems/thor-1.1.0/lib/thor/command.rb:27:in run’
14: from /home/work/bundle/ruby/2.6.0/gems/dato-0.8.2/lib/dato/cli.rb:50:in dump' 13: from /home/work/bundle/ruby/2.6.0/gems/dato-0.8.2/lib/dato/dump/runner.rb:25:in run’
12: from /home/work/bundle/ruby/2.6.0/gems/dato-0.8.2/lib/dato/dump/runner.rb:25:in new' 11: from /home/work/bundle/ruby/2.6.0/gems/dato-0.8.2/lib/dato/dump/dsl/root.rb:25:in initialize’
10: from /home/work/bundle/ruby/2.6.0/gems/dato-0.8.2/lib/dato/dump/dsl/root.rb:25:in eval' 9: from (eval):8:in initialize’
8: from (eval):8:in each' 7: from (eval):10:in block in initialize’
6: from /home/work/bundle/ruby/2.6.0/gems/i18n-1.8.10/lib/i18n.rb:314:in with_locale' 5: from (eval):86:in block (2 levels) in initialize’
4: from /home/work/bundle/ruby/2.6.0/gems/dato-0.8.2/lib/dato/dump/dsl/create_post.rb:27:in create_post' 3: from /home/work/bundle/ruby/2.6.0/gems/dato-0.8.2/lib/dato/dump/dsl/create_post.rb:27:in new’
2: from /home/work/bundle/ruby/2.6.0/gems/dato-0.8.2/lib/dato/dump/dsl/create_post.rb:11:in initialize' 1: from /home/work/bundle/ruby/2.6.0/gems/dato-0.8.2/lib/dato/dump/dsl/create_post.rb:11:in instance_eval’
(eval):96:in block (3 levels) in initialize': undefined method to_hash’ for nil:NilClass (NoMethodError)