BBB 2.4.7 after following your instructions, bbb-rap-starter.service failed to start.

[aminir1400]

Hi
I encountered a big problem after following your instructions. Please guide me in solving it

bbb-rap-starter.service could not be started.
ExecStart=/usr/local/bigbluebutton/core/scripts/rap-starter.rb (code=exited, status=1/FAILURE)
Failed to start BigBlueButton recording processing starter.
rake aborted!
Nov 21 23:33:42 webinar sh[13620]: ArgumentError: unknown keyword: thread_safe
Nov 21 23:33:42 webinar sh[13620]: /var/lib/gems/2.5.0/gems/redis-client-0.18.0/lib/redis_client/config.rb:21:in initialize' Nov 21 23:33:42 webinar sh[13620]: /var/lib/gems/2.5.0/gems/redis-client-0.18.0/lib/redis_client/config.rb:178:in initialize'
Nov 21 23:33:42 webinar sh[13620]: /var/lib/gems/2.5.0/gems/redis-client-0.18.0/lib/redis_client.rb:144:in new' Nov 21 23:33:42 webinar sh[13620]: /var/lib/gems/2.5.0/gems/redis-client-0.18.0/lib/redis_client.rb:144:in config'
Nov 21 23:33:42 webinar sh[13620]: /var/lib/gems/2.5.0/gems/redis-5.0.8/lib/redis/client.rb:23:in config' Nov 21 23:33:42 webinar sh[13620]: /var/lib/gems/2.5.0/gems/redis-5.0.8/lib/redis.rb:142:in initialize_client'
Nov 21 23:33:42 webinar sh[13620]: /var/lib/gems/2.5.0/gems/redis-5.0.8/lib/redis.rb:73:in initialize' Nov 21 23:33:42 webinar sh[13620]: /var/lib/gems/2.5.0/gems/resque-2.0.0/lib/resque.rb:120:in new'
Nov 21 23:33:42 webinar sh[13620]: /var/lib/gems/2.5.0/gems/resque-2.0.0/lib/resque.rb:120:in redis=' Nov 21 23:33:42 webinar sh[13620]: /usr/local/bigbluebutton/core/Rakefile:10:in block in <top (required)>'
Nov 21 23:33:42 webinar sh[13620]: /var/lib/gems/2.5.0/gems/rake-13.0.6/exe/rake:27:in `<top (required)>'
Nov 21 23:33:42 webinar sh[13620]: Tasks: TOP => resque:work => resque:preload => resque:setup

Ubuntu 18.04

RubyGems Environment:

• RUBYGEMS VERSION: 3.3.5
• RUBY VERSION: 2.5.1 (2018-03-29 patchlevel 57) [x86_64-linux-gnu]
• INSTALLATION DIRECTORY: /var/lib/gems/2.5.0
• USER INSTALLATION DIRECTORY: /home/webinar/.local/share/gem/ruby/2.5.0
• RUBY EXECUTABLE: /usr/bin/ruby2.5
• GIT EXECUTABLE: /usr/bin/git
• EXECUTABLE DIRECTORY: /usr/local/bin
• SPEC CACHE DIRECTORY: /home/webinar/.local/share/gem/specs
• SYSTEM CONFIGURATION DIRECTORY: /etc
• RUBYGEMS PLATFORMS:
  • ruby
  • x86_64-linux
• GEM PATHS:
  • /var/lib/gems/2.5.0
  • /home/webinar/.local/share/gem/ruby/2.5.0
  • /usr/lib/x86_64-linux-gnu/rubygems-integration/2.5.0
  • /usr/share/rubygems-integration/2.5.0
  • /usr/share/rubygems-integration/all
• GEM CONFIGURATION:
  • :update_sources => true
  • :verbose => true
  • :backtrace => false
  • :bulk_threshold => 1000
• REMOTE SOURCES:
  • https://rubygems.org/
• SHELL PATH:
  • /usr/local/sbin
  • /usr/local/bin
  • /usr/sbin
  • /usr/bin
  • /sbin
  • /bin
  • /usr/games
  • /usr/local/games
  • /snap/bin