<mesh numsubmesh="1">
<submesh numvertices="829" numfaces="859" numlodsteps="0" numsprings="0" nummorphs="0" numtexcoords="1" material="-2">
<vertex numinfluences="1" id="0">
<pos>
51.6886 2.03197 1011.29
<norm>
0.727597 0.395241 -0.560703
<color>
0 0 0
<texcoord>
0.231275 0.813344
<influence id="22">
1
....
<face vertexid="662 827 825" />
<face vertexid="662 825 828" />
<face vertexid="646 662 828" />
</submesh>
</mesh>
Looking at your XML nicly formatted always can help. Using a XML viewer tool even better...
You XML is full of problems of formatting - the question where it come from?