redis cluster - when starting redis cluster, there is an error message

Question

/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: wrong element type nil at 0 (expected array)
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: ignoring wrong elements is deprecated, remove them explicitly
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: this causes ArgumentError in the next release
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: wrong element type nil at 19 (expected array)
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: ignoring wrong elements is deprecated, remove them explicitly
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: this causes ArgumentError in the next release
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: wrong element type nil at 20 (expected array)
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: ignoring wrong elements is deprecated, remove them explicitly
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: this causes ArgumentError in the next release
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: wrong element type nil at 25 (expected array)
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: ignoring wrong elements is deprecated, remove them explicitly
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: this causes ArgumentError in the next release
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: wrong element type nil at 26 (expected array)
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: ignoring wrong elements is deprecated, remove them explicitly
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: this causes ArgumentError in the next release
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: wrong element type nil at 42 (expected array)
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: ignoring wrong elements is deprecated, remove them explicitly
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: this causes ArgumentError in the next release
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: wrong element type nil at 43 (expected array)
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: ignoring wrong elements is deprecated, remove them explicitly
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: this causes ArgumentError in the next release
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: wrong element type nil at 65 (expected array)
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: ignoring wrong elements is deprecated, remove them explicitly
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: this causes ArgumentError in the next release
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: wrong element type nil at 66 (expected array)
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: ignoring wrong elements is deprecated, remove them explicitly
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: this causes ArgumentError in the next release
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: wrong element type nil at 86 (expected array)
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: ignoring wrong elements is deprecated, remove them explicitly
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: this causes ArgumentError in the next release
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: wrong element type nil at 87 (expected array)
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: ignoring wrong elements is deprecated, remove them explicitly
/usr/local/share/gems/gems/redis-3.0.0/lib/redis.rb:182: warning: this causes ArgumentError in the next release

Answer 1

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