[Rails] NamedError with Roo and xlsx

Ruby Error when accessing xlsx file using roo. This script was working
until recently my system crashed and then I had to reinstall the latest
versions of Ruby and Roo. now I am getting uninitialized constant
Excelx.new (NamedError). The name a locatio of the file is correct, even
hardcoding the filename presents the same error.

I am running Ruby 1.9.3 and Roo 1.10.2
Here is the relevant part of the code:

require 'rubygems'
require 'roo'

class Fixnum
def zeros
"%0#{self}d" % 0
end
end

class String
def numeric?
# Check if every character is numeric
!!self.match(/^[0-9]+$/)
end
end

class BudgetParser
def initialize(options)
@budgetfile=File.basename(options[:file], '.*')
@filename =
("#{File.expand_path(File.dirname(__FILE__))}/#{options[:file]}")
print(@filename.force_encoding(::Encoding::UTF_8))
@workbook =
Excelx.new(@filename.force_encoding(::Encoding::UTF_8))
@workbook.default_sheet = options[:sheet] || 'Sheet1'
@budget_year = options[:year] || Time.new.year.to_s
@conversions = %w(} J K L M N O P Q R)
import
end

Any help would be appreciated!

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