While running the base case measure for space it will generate this following error [closed]

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Hi,

Please help me out from this following error.

Standard Output: [14:51:40.518571 ERROR] undefined method +' for nil:NilClass :/ruby/2.2.0/gems/openstudio-standards-0.2.2/lib/openstudio-standards/standards/Standards.Model.rb:1588:inblock in model_assign_spaces_to_stories' :/ruby/2.2.0/gems/openstudio-standards-0.2.2/lib/openstudio-standards/standards/Standards.Model.rb:1577:in each' :/ruby/2.2.0/gems/openstudio-standards-0.2.2/lib/openstudio-standards/standards/Standards.Model.rb:1577:inmodel_assign_spaces_to_stories' :/ruby/2.2.0/gems/openstudio-standards-0.2.2/lib/openstudio-standards/standards/Standards.Model.rb:38:in model_create_prm_baseline_building' C:/Users/siva/BCL/4de56e21-b6cd-45d9-8466-862507d228b2/0e1b8429-e27a-42c5-aaae-da4b21026101/measure.rb:195:inrun' :/ruby/2.2.0/gems/openstudio-workflow-1.3.3/lib/openstudio/workflow/util/measure.rb:467:in apply_measure' :/ruby/2.2.0/gems/openstudio-workflow-1.3.3/lib/openstudio/workflow/util/measure.rb:74:inblock in apply_measures' :/ruby/2.2.0/gems/openstudio-workflow-1.3.3/lib/openstudio/workflow/util/measure.rb:32:in each_index' :/ruby/2.2.0/gems/openstudio-workflow-1.3.3/lib/openstudio/workflow/util/measure.rb:32:inapply_measures' :/ruby/2.2.0/gems/openstudio-workflow-1.3.3/lib/openstudio/workflow/jobs/run_os_measures.rb:52:in perform' :/ruby/2.2.0/gems/openstudio-workflow-1.3.3/lib/openstudio/workflow/run.rb:269:instep' :/ruby/2.2.0/gems/openstudio-workflow-1.3.3/lib/openstudio/workflow/run.rb:216:in run' :/openstudio_cli.rb:848:inexecute' :/openstudio_cli.rb:639:in execute' :/openstudio_cli.rb:1614:in' eval:107:in eval' eval:107:inrequire_embedded_absolute' eval:92:in block in require' eval:86:ineach' eval:86:in require' eval:2:in' [14:51:40.518571 ERROR] :/ruby/2.2.0/gems/openstudio-workflow-1.3.3/lib/openstudio/workflow/util/measure.rb failed with message Runner error :/ruby/2.2.0/gems/openstudio-workflow-1.3.3/lib/openstudio/workflow/util/measure.rb failed with undefined method +' for nil:NilClass, :/ruby/2.2.0/gems/openstudio-standards-0.2.2/lib/openstudio-standards/standards/Standards.Model.rb:1588:inblock in model_assign_spaces_to_stories' :/ruby/2.2.0/gems/openstudio-standards-0.2.2/lib/openstudio-standards/standards/Standards.Model.rb:1577:in each' :/ruby/2.2.0/gems/openstudio-standards-0.2.2/lib/openstudio-standards/standards/Standards.Model.rb:1577:inmodel_assign_spaces_to_stories' :/ruby/2.2.0/gems/openstudio-standards-0.2.2/lib/openstudio-standards/standards/Standards.Model.rb:38:in model_create_prm_baseline_building' C:/Users/siva/BCL/4de56e21-b6cd-45d9-8466-862507d228b2/0e1b8429-e27a-42c5-aaae-da4b21026101/measure.rb:195:inrun' :/ruby/2.2.0/gems/openstudio-workflow-1.3.3/lib/openstudio/workflow/util/measure.rb:467:in apply_measure' :/ruby/2.2.0/gems/openstudio-workflow-1.3.3/lib/openstudio/workflow/util/measure.rb:74:inblock in apply_measures' :/ruby/2.2.0/gems/openstudio-workflow-1.3.3/lib/openstudio/workflow/util/measure.rb:32:in each_index' :/ruby/2.2.0/gems/openstudio-workflow-1.3.3/lib/openstudio/workflow/util/measure.rb:32:inapply_measures' :/ruby/2.2.0/gems/openstudio-workflow-1.3.3/lib/openstudio/workflow/jobs/run_os_measures.rb:52:in perform' :/ruby/2.2.0/gems/openstudio-workflow-1.3.3/lib/openstudio/workflow/run.rb:269:instep' :/ruby/2.2.0/gems/openstudio-workflow-1.3.3/lib/openstudio/workflow ... (more)