class="underline">Answer</span>: MSM uses Boost.MPL under the hood
                and this is the default maximum size. Please define the following 3 macros before
                including any MSM headers: </p><pre class="programlisting">#define BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS
#define BOOST_MPL_LIMIT_VECTOR_SIZE 30 // or whatever you need               
#define BOOST_MPL_LIMIT_MAP_SIZE 30 // or whatever you need </pre><p><span class="underline">Question</span>: Why do I get this error: &#8221;error
