There are some errors

[faizalluthfi]

/var/lib/gems/1.9.1/gems/activesupport-4.1.6/lib/active_support/dependencies.rb:247:in require': /var/lib/gems/1.9.1/gems/progress_job-0.0.4/lib/progress_job/base.rb:3: syntax error, unexpected tLABEL, expecting ')' (SyntaxError) def initialize(progress_max: 100) ^ /var/lib/gems/1.9.1/gems/progress_job-0.0.4/lib/progress_job/base.rb:13: syntax error, unexpected tLABEL, expecting ')' def update_progress(step: 1) ^ /var/lib/gems/1.9.1/gems/progress_job-0.0.4/lib/progress_job/base.rb:21: syntax error, unexpected tLABEL def update_stage_progress(stage, step: 1) ^ from /var/lib/gems/1.9.1/gems/activesupport-4.1.6/lib/active_support/dependencies.rb:247:inblock in require' from /var/lib/gems/1.9.1/gems/activesupport-4.1.6/lib/active_support/dependencies.rb:232:in load_dependency' from /var/lib/gems/1.9.1/gems/activesupport-4.1.6/lib/active_support/dependencies.rb:247:inrequire' from /var/lib/gems/1.9.1/gems/progress_job-0.0.4/lib/progress_job.rb:1:in <top (required)>' from /var/lib/gems/1.9.1/gems/bundler-1.9.3/lib/bundler/runtime.rb:76:inrequire' from /var/lib/gems/1.9.1/gems/bundler-1.9.3/lib/bundler/runtime.rb:76:in block (2 levels) in require' from /var/lib/gems/1.9.1/gems/bundler-1.9.3/lib/bundler/runtime.rb:72:ineach' from /var/lib/gems/1.9.1/gems/bundler-1.9.3/lib/bundler/runtime.rb:72:in block in require' from /var/lib/gems/1.9.1/gems/bundler-1.9.3/lib/bundler/runtime.rb:61:ineach' from /var/lib/gems/1.9.1/gems/bundler-1.9.3/lib/bundler/runtime.rb:61:in require' from /var/lib/gems/1.9.1/gems/bundler-1.9.3/lib/bundler.rb:134:inrequire' from /home/ubuntu/development/progress_job_demo-master/config/application.rb:14:in <top (required)>' from /var/lib/gems/1.9.1/gems/railties-4.1.6/lib/rails/commands/commands_tasks.rb:79:inrequire' from /var/lib/gems/1.9.1/gems/railties-4.1.6/lib/rails/commands/commands_tasks.rb:79:in block in server' from /var/lib/gems/1.9.1/gems/railties-4.1.6/lib/rails/commands/commands_tasks.rb:76:intap' from /var/lib/gems/1.9.1/gems/railties-4.1.6/lib/rails/commands/commands_tasks.rb:76:in server' from /var/lib/gems/1.9.1/gems/railties-4.1.6/lib/rails/commands/commands_tasks.rb:40:inrun_command!' from /var/lib/gems/1.9.1/gems/railties-4.1.6/lib/rails/commands.rb:17:in <top (required)>' from bin/rails:4:inrequire' from bin/rails:4:in `

'