canvas lms：无法修改冻结的数组

Question

UsersController中的RuntimeError＃user_dashboard

无法修改冻结的数组

RAILS_ROOT: /home/pavan/projects/schoolify_options/canvas-lms
Application Trace | Framework Trace | Full Trace

/home/pavan/projects/schoolify_options/canvas-lms/app/models/account_notification.rb:36:in `reject!'
/home/pavan/projects/schoolify_options/canvas-lms/app/models/account_notification.rb:36:in `block in for_user_and_account'
/home/pavan/projects/schoolify_options/canvas-lms/lib/stubs/shard.rb:50:in `activate'
/home/pavan/projects/schoolify_options/canvas-lms/app/models/account_notification.rb:27:in `for_user_and_account'
/home/pavan/projects/schoolify_options/canvas-lms/app/controllers/users_controller.rb:294:in `user_dashboard'
/home/pavan/projects/schoolify_options/canvas-lms/app/controllers/application_controller.rb:120:in `set_locale'

请求

参数：

{"user_id"=>nil}

显示会话转储 响应

接头：

{"Cache-Control"=>"no-cache",
 "X-Canvas-User-Id"=>"1",
 "Content-Type"=>""}