issue with installing theme

[skmexyz]

I get an error when installing the following theme (which I made) even thought it worked perfectly on my previous test machine.

A theme is already installed, proceeding will overwrite existing files. Are you sure? [y/n] y
## Copying octopress-md theme into ./source and ./sass
mkdir -p source
cp -r .themes/octopress-md/source/. source
rake aborted!
unknown file type: .themes/octopress-md/source/.
/Users/sonal/Google Drive/Google Drive/Projects/Octopress/octopress-main/Rakefile:44:in `block in <top (required)>'
Tasks: TOP => install
(See full trace by running task with --trace)

** Invoke install (first_time)
** Execute install
A theme is already installed, proceeding will overwrite existing files. Are you sure? [y/n] y
## Copying octopress-md theme into ./source and ./sass
mkdir -p source
cp -r .themes/octopress-md/source/. source
rake aborted!
unknown file type: .themes/octopress-md/source/.
/Users/sonal/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/fileutils.rb:1386:in `copy'
/Users/sonal/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/fileutils.rb:471:in `block in copy_entry'
/Users/sonal/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/fileutils.rb:1497:in `call'
/Users/sonal/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/fileutils.rb:1497:in `wrap_traverse'
/Users/sonal/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/fileutils.rb:468:in `copy_entry'
/Users/sonal/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/fileutils.rb:443:in `block in cp_r'
/Users/sonal/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/fileutils.rb:1570:in `block in fu_each_src_dest'
/Users/sonal/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/fileutils.rb:1584:in `fu_each_src_dest0'
/Users/sonal/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/fileutils.rb:1568:in `fu_each_src_dest'
/Users/sonal/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/fileutils.rb:442:in `cp_r'
/Users/sonal/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/file_utils_ext.rb:37:in `cp_r'
/Users/sonal/Google Drive/Google Drive/Projects/Octopress/octopress-main/Rakefile:44:in `block in <top (required)>'
/Users/sonal/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/task.rb:240:in `call'
/Users/sonal/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/task.rb:240:in `block in execute'
/Users/sonal/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/task.rb:235:in `each'
/Users/sonal/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/task.rb:235:in `execute'
/Users/sonal/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/task.rb:179:in `block in invoke_with_call_chain'
/Users/sonal/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/monitor.rb:211:in `mon_synchronize'
/Users/sonal/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/task.rb:172:in `invoke_with_call_chain'
/Users/sonal/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/task.rb:165:in `invoke'
/Users/sonal/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/application.rb:150:in `invoke_task'
/Users/sonal/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/application.rb:106:in `block (2 levels) in top_level'
/Users/sonal/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/application.rb:106:in `each'
/Users/sonal/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/application.rb:106:in `block in top_level'
/Users/sonal/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/application.rb:115:in `run_with_threads'
/Users/sonal/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/application.rb:100:in `top_level'
/Users/sonal/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/application.rb:78:in `block in run'
/Users/sonal/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/application.rb:176:in `standard_exception_handling'
/Users/sonal/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/application.rb:75:in `run'
/Users/sonal/.rvm/rubies/ruby-2.2.1/bin/rake:33:in `<main>'
Tasks: TOP => install