Hi Luke

lib/clickatell/api/error.rb

@@ -15,9 +15,11 @@ def initialize(code, message)
       #  Error.parse("ERR: 001, Authentication error")
       #  # =>  #<Clickatell::API::Error code='001' message='Authentication error'>
       def self.parse(error_string)
-        error_details = error_string.split(':').last.strip
-        code, message = error_details.split(',').map { |s| s.strip }
-        self.new(code, message)
+        if error_string =~ /^ERR: (\d+), (.*)$/
+          self.new($1, $2)
+        else
+          self.new(nil, error_string)
+        end
       end
     end
 

lib/clickatell/response.rb

@@ -12,10 +12,12 @@ class << self
       def parse(http_response)
         return { 'OK' => 'session_id' } if API.test_mode
 
-        if http_response.body.scan(/ERR/).any?
-          raise Clickatell::API::Error.parse(http_response.body)
+        lines = http_response.body.split("\n").reject {|line| line.strip.size == 0 }
+
+        if lines.size == 1 && lines.first =~ /^ERR:/
+          raise Clickatell::API::Error.parse(lines.first)
         end
-        results = http_response.body.split("\n").map do |line|
+        results = lines.map do |line|
           # YAML.load converts integer strings that have leading zeroes into integers
           # using octal rather than decimal.  This isn't what we want, so we'll strip out any
           # leading zeroes in numbers here.