centos7安装redmine后kill杀死 ruby后，redmine就起不来了

rb:257:in load_dependency' 11: from /usr/local/rvm/gems/ruby-2.7.0/gems/activesupport-5.2.5/lib/active_support/dependencies.rb:291:inblock in require'
10: from /usr/local/rvm/gems/ruby-2.7.0/gems/activesupport-5.2.5/lib/active_support/dependencies.rb:291:in require' 9: from /application/nginx/html/redmine/lib/redmine/thumbnail.rb:22:in<top (required)>'
8: from /application/nginx/html/redmine/lib/redmine/thumbnail.rb:23:in <module:Redmine>' 7: from /application/nginx/html/redmine/lib/redmine/thumbnail.rb:26:inmodule:Thumbnail'
6: from /application/nginx/html/redmine/lib/redmine/configuration.rb:76:in []' 5: from /application/nginx/html/redmine/lib/redmine/configuration.rb:45:inload'
4: from /application/nginx/html/redmine/lib/redmine/configuration.rb:95:in load_from_yaml' 3: from /usr/local/rvm/rubies/ruby-2.7.0/lib/ruby/2.7.0/psych.rb:277:inload'
2: from /usr/local/rvm/rubies/ruby-2.7.0/lib/ruby/2.7.0/psych.rb:390:in parse' 1: from /usr/local/rvm/rubies/ruby-2.7.0/lib/ruby/2.7.0/psych.rb:456:inparse_stream'
/usr/local/rvm/rubies/ruby-2.7.0/lib/ruby/2.7.0/psych.rb:456:in `parse': (): did not find expected key while parsing a block mapping at line 19 column 5 (Psych::SyntaxError)
[root@localhost redmine]#