我尝试导入数据库备份，但遇到了以下错误。
我已安装最新版本（2.5.0.beta4），但重建操作无效。请提供建议。
[开始]
'system' 已启动恢复过程！
正在将恢复状态标记为运行中...
正在确认 /var/www/discourse/tmp/restores/default/2020-05-19-193633 目录是否存在...
正在将归档文件复制到临时目录...
正在解压归档文件，这可能需要一些时间...
异常："\x80\x00\x00\x00\x00\x00\x00\x04\xE8\xD3\xA8\x01" 不是八进制字符串
/usr/local/lib/ruby/site_ruby/2.6.0/rubygems/package/tar_header.rb:130:in `strict_oct'
/usr/local/lib/ruby/site_ruby/2.6.0/rubygems/package/tar_header.rb:112:in `from'
/usr/local/lib/ruby/site_ruby/2.6.0/rubygems/package/tar_reader.rb:61:in `each'
/var/www/discourse/lib/compression/strategy.rb:18:in `block in decompress'
/var/www/discourse/lib/compression/tar.rb:26:in `get_compressed_file_stream'
/var/www/discourse/lib/compression/strategy.rb:15:in `decompress'
/var/www/discourse/lib/compression/pipeline.rb:26:in `block in decompress'
/var/www/discourse/lib/compression/pipeline.rb:24:in `each'
/var/www/discourse/lib/compression/pipeline.rb:24:in `reduce'
/var/www/discourse/lib/compression/pipeline.rb:24:in `decompress'
/var/www/discourse/lib/backup_restore/backup_file_handler.rb:69:in `decompress_archive'
/var/www/discourse/lib/backup_restore/backup_file_handler.rb:22:in `decompress'
/var/www/discourse/lib/backup_restore/restorer.rb:42:in `run'
script/discourse:143:in `restore'
script/discourse:159:in `import'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/thor-1.0.1/lib/thor/command.rb:27:in `run'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/thor-1.0.1/lib/thor/invocation.rb:127:in `invoke_command'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/thor-1.0.1/lib/thor.rb:392:in `dispatch'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/thor-1.0.1/lib/thor/base.rb:485:in `start'
script/discourse:284:in `<top (required)>'
/usr/local/lib/ruby/gems/2.6.0/gems/bundler-2.1.4/lib/bundler/cli/exec.rb:63:in `load'
/usr/local/lib/ruby/gems/2.6.0/gems/bundler-2.1.4/lib/bundler/cli/exec.rb:63:in `kernel_load'
/usr/local/lib/ruby/gems/2.6.0/gems/bundler-2.1.4/lib/bundler/cli/exec.rb:28:in `run'
/usr/local/lib/ruby/gems/2.6.0/gems/bundler-2.1.4/lib/bundler/cli.rb:476:in `exec'
/usr/local/lib/ruby/gems/2.6.0/gems/bundler-2.1.4/lib/bundler/vendor/thor/lib/thor/command.rb:27:in `run'
/usr/local/lib/ruby/gems/2.6.0/gems/bundler-2.1.4/lib/bundler/vendor/thor/lib/thor/invocation.rb:127:in `invoke_command'
/usr/local/lib/ruby/gems/2.6.0/gems/bundler-2.1.4/lib/bundler/vendor/thor/lib/thor.rb:399:in `dispatch'
/usr/local/lib/ruby/gems/2.6.0/gems/bundler-2.1.4/lib/bundler/cli.rb:30:in `dispatch'
/usr/local/lib/ruby/gems/2.6.0/gems/bundler-2.1.4/lib/bundler/vendor/thor/lib/thor/base.rb:476:in `start'
/usr/local/lib/ruby/gems/2.6.0/gems/bundler-2.1.4/lib/bundler/cli.rb:24:in `start'
/usr/local/lib/ruby/gems/2.6.0/gems/bundler-2.1.4/exe/bundle:46:in `block in <top (required)>'
/usr/local/lib/ruby/gems/2.6.0/gems/bundler-2.1.4/lib/bundler/friendly_errors.rb:123:in `with_friendly_errors'
/usr/local/lib/ruby/gems/2.6.0/gems/bundler-2.1.4/exe/bundle:34:in `<top (required)>'
/usr/local/bin/bundle:23:in `load'
/usr/local/bin/bundle:23:in `<main>'
正在尝试回滚...
无需回滚
正在清理临时文件...
正在删除临时目录 '/var/www/discourse/tmp/restores/default/2020-05-19-193633'...
正在恢复 sidekiq...
正在将恢复状态标记为已完成...
正在通知 'system' 恢复过程已结束...
完成！
[失败]
恢复操作已完成。