title: a what is the wrong in the description function of a package
body: <p>I want to build a package in R using R studio</p>
  
  <p>I got this error when pressing on <code>build source package</code></p>
  
  <pre><code>==&gt; R CMD build CLASS_Projectcompany
  
  * checking for file 'CLASS_Projectcompany/DESCRIPTION' ... OK
  During startup - Warning messages:
  1: Setting LC_CTYPE failed, using "C" 
  2: Setting LC_TIME failed, using "C" 
  3: Setting LC_MESSAGES failed, using "C" 
  4: Setting LC_MONETARY failed, using "C" 
  * preparing 'CLASS_Projectcompany':
  * checking DESCRIPTION meta-information ... ERROR
  Malformed package name
  
  See section 'The DESCRIPTION file' in the 'Writing R Extensions'
  manual.
  </code></pre>
  
  <p>The content of the <code>DESCRIPTION</code> file is:</p>
  
  <pre><code>Package: CLASS_Projectcompany
  Type: Package
  Title: Class Projectcompany
  Version: 1.0
  Date: 2015-05-23
  Author: Marco Deneenii [aut, cre]
  Maintainer: Marco Deneenii &lt;something@gmail.com&gt;
  Description: Class Project Company.
  License: GPL-2
  </code></pre>
  
  <p>may you help please ?</p>
  
  <h3>Update</h3>
  
  <p>After i remove the <code>_</code> from the package entry, i got this error:</p>
  
  <pre><code>==&gt; R CMD INSTALL --build --preclean ClassProjectcompany
  
  During startup - Warning messages:
  1: Setting LC_CTYPE failed, using "C" 
  2: Setting LC_TIME failed, using "C" 
  3: Setting LC_MESSAGES failed, using "C" 
  4: Setting LC_MONETARY failed, using "C" 
  * installing to library '/Library/Frameworks/R.framework/Versions/3.2/Resources/library'
  * installing *source* package 'ClassProjectcompany' ...
  ** R
  ** preparing package for lazy loading
  Warning in file(file, "rt") :
    cannot open file '��.S�': No such file or directory
  Error in file(file, "rt") : cannot open the connection
  Error : unable to load R code in package 'ClassProjectcompany'
  ERROR: lazy loading failed for package 'ClassProjectcompany'
  * removing '/Library/Frameworks/R.framework/Versions/3.2/Resources/library/ClassProjectcompany'
  
  Exited with status 1.
  </code></pre>