Unable to delete report schedules

Issue

Unable to delete Schedules, Throws an errors in production log as:

[----] I, [2017-06-30T05:34:09.746768 #3018:14670e8]  INFO -- :   Parameters: {"refresh"=>"y", "pressed"=>"miq_report_schedule_delete", "id"=>"35"}
[----] F, [2017-06-30T05:34:09.769020 #3018:14670e8] FATAL -- : Error caught: [NoMethodError] undefined method `push' for #<ActiveRecord::Relation []>
Did you mean?  puts
/opt/rh/cfme-gemset/gems/activerecord-5.0.3/lib/active_record/relation/delegation.rb:126:in `method_missing'
/opt/rh/cfme-gemset/gems/activerecord-5.0.3/lib/active_record/relation/delegation.rb:96:in `method_missing'
/opt/rh/cfme-gemset/bundler/gems/manageiq-ui-classic-a9ea4ad7f2ef/app/controllers/report_controller/schedules.rb:81:in `miq_report_schedule_delete'
/opt/rh/cfme-gemset/bundler/gems/manageiq-ui-classic-a9ea4ad7f2ef/app/controllers/application_controller/explorer.rb:180:in `generic_x_button'