no implicit conversion of String into Integer (TypeError) TypeError: no implicit conversion of String into Integer ./lib/openstudio/analysis/translator/excel.rb:357:in `[]=' ./lib/openstudio/analysis/translator/excel.rb:357:in `block in parse_setup' ./lib/openstudio/analysis/translator/excel.rb:302:in `each' ./lib/openstudio/analysis/translator/excel.rb:302:in `parse_setup' ./lib/openstudio/analysis/translator/excel.rb:44:in `process' ./spec/openstudio/analysis/translator/excel_spec.rb:97:in `block (3 levels) in <top (required)>'