我也遇到了类似的情况：
数据浏览器查询似乎已运行：
但没有发送 PM。
我在 /logs 中看到了这个错误：
Message (5 copies reported)
Job exception: undefined method `to_sym' for nil:NilClass
Backtrace
/var/www/discourse/plugins/discourse-data-explorer/lib/result_to_markdown.rb:20:in `block (2 levels) in convert'
/var/www/discourse/plugins/discourse-data-explorer/lib/result_to_markdown.rb:18:in `each'
/var/www/discourse/plugins/discourse-data-explorer/lib/result_to_markdown.rb:18:in `each_with_index'
/var/www/discourse/plugins/discourse-data-explorer/lib/result_to_markdown.rb:18:in `block in convert'
/var/www/discourse/plugins/discourse-data-explorer/lib/result_to_markdown.rb:15:in `each'
/var/www/discourse/plugins/discourse-data-explorer/lib/result_to_markdown.rb:15:in `convert'
/var/www/discourse/plugins/discourse-data-explorer/lib/report_generator.rb:20:in `generate'
/var/www/discourse/plugins/discourse-data-explorer/plugin.rb:117:in `block (4 levels) in activate!'
/var/www/discourse/plugins/discourse-automation/app/models/discourse_automation/automation.rb:83:in `trigger!'
/var/www/discourse/plugins/discourse-automation/app/jobs/scheduled/discourse_automation_tracker.rb:36:in `run_pending_automation'
如果我尝试手动触发自动化，我也会收到一个“500”错误，并在日志中看到这个（略有不同的）错误：
Message (4 copies reported)
NoMethodError (undefined method `to_sym' for nil:NilClass)
app/controllers/application_controller.rb:418:in `block in with_resolved_locale'
app/controllers/application_controller.rb:418:in `with_resolved_locale'
lib/middleware/omniauth_bypass_middleware.rb:74:in `call'
lib/content_security_policy/middleware.rb:12:in `call'
lib/middleware/anonymous_cache.rb:369:in `call'
config/initializers/100-quiet_logger.rb:20:in `call'
config/initializers/100-silence_logger.rb:29:in `call'
lib/middleware/enforce_hostname.rb:24:in `call'
lib/middleware/request_tracker.rb:228:in `call'
Backtrace
plugins/discourse-data-explorer/lib/result_to_markdown.rb:20:in `block (2 levels) in convert'
plugins/discourse-data-explorer/lib/result_to_markdown.rb:18:in `each'
plugins/discourse-data-explorer/lib/result_to_markdown.rb:18:in `each_with_index'
plugins/discourse-data-explorer/lib/result_to_markdown.rb:18:in `block in convert'
plugins/discourse-data-explorer/lib/result_to_markdown.rb:15:in `each'
plugins/discourse-data-explorer/lib/result_to_markdown.rb:15:in `convert'
plugins/discourse-data-explorer/lib/report_generator.rb:20:in `generate'
plugins/discourse-data-explorer/plugin.rb:117:in `block (4 levels) in activate!'
plugins/discourse-automation/app/models/discourse_automation/automation.rb:83:in `trigger!'
plugins/discourse-automation/app/controllers/discourse_automation/automations_controller.rb:10:in `trigger'
我们把它移到 Bug 频道，看看是否有人能解决。