title: Error: Could not find a match for std::multimap
body: <p>I am trying to compile a C++ application on SUN server using the compiler Sun C++ 5.9 SunOS_sparc Patch 124863-01.I am getting the below error while compiling</p>
  
  <pre><code> Error: Could not find a match for std::multimap&lt;std::string, OutputNamespace::FUPInfo, std::less&lt;std::string&gt;, std::allocator&lt;std::pair&lt;const std::string, OutputNamespace::FUPInfo&gt;&gt;&gt;::insert(std::pair&lt;std::string, OutputNamespace::FUPInfo&gt;) needed in operator&lt;&lt;(std::ostream &amp;, InvoiceOutput&amp;).
  </code></pre>
  
  <p>Is this a compiler related issue?do you have any idea how to solve it?
  Thanks in advance </p>
  
  <p>Regards</p>