Invalid value for Integer(): "\x17" mapi pst
<p>Hi I am trying to create a PST reader application of Outlook with Ruby ruby-msg.</p>

<p>I have setup the repository and trying to run the code and it alsways shows the following error </p>

<pre><code>lib/mapi/pst.rb:167:in `%': invalid value for Integer(): "\x17" (ArgumentError)
</code></pre>

<p>My Code is as follows </p>

<pre><code> require 'mapi/pst'

pst = Mapi::Pst.new open('/ruby-msg-master/backup.pst')

p pst.header
</code></pre>

<p>Unable to find the solution what to do so that the issue resolved</p>