I am using Revit to try and run a Systems Analysis, but I get the following error:
[11:31:05.171456 ERROR] undefined method setMinimumSystemAirFlowRatio' for #<OpenStudio::Model::SizingSystem:0x00000288e5735210>
C:/PROGRA~1/NREL/OPENST~1/measures/gbxml_hvac_import/resources/air_system.rb:200:inadd_air_loop_hvac'
C:/PROGRA~1/NREL/OPENST~1/measures/gbxml_hvac_import/resources/air_system.rb:141:in build'
C:/PROGRA~1/NREL/OPENST~1/measures/gbxml_hvac_import/resources/model_manager.rb:90:inmap'
C:/PROGRA~1/NREL/OPENST~1/measures/gbxml_hvac_import/resources/model_manager.rb:90:in build'
C:/PROGRA~1/NREL/OPENST~1/measures/gbxml_hvac_import/measure.rb:69:inrun'
:/ruby/2.7.0/gems/openstudio-workflow-2.3.1/lib/openstudio/workflow/util/measure.rb:517:in apply_measure'
:/ruby/2.7.0/gems/openstudio-workflow-2.3.1/lib/openstudio/workflow/util/measure.rb:114:inblock in apply_measures'
:/ruby/2.7.0/gems/openstudio-workflow-2.3.1/lib/openstudio/workflow/util/measure.rb:67:in each_index'
:/ruby/2.7.0/gems/openstudio-workflow-2.3.1/lib/openstudio/workflow/util/measure.rb:67:inapply_measures'
:/ruby/2.7.0/gems/openstudio-workflow-2.3.1/lib/openstudio/workflow/jobs/run_os_measures.rb:70:in perform'
:/ruby/2.7.0/gems/openstudio-workflow-2.3.1/lib/openstudio/workflow/run.rb:291:instep'
:/ruby/2.7.0/gems/openstudio-workflow-2.3.1/lib/openstudio/workflow/run.rb:233:in run'
:/openstudio_cli.rb:1184:inexecute'
:/openstudio_cli.rb:814:in execute'
:/openstudio_cli.rb:1983:in<main>'
eval:188:in eval'
eval:188:inrequire_embedded_absolute'
eval:173:in block in require_embedded'
eval:167:ineach'
eval:167:in require_embedded'
eval:126:inrequire'
eval:3:in `<main>'



