Please help! I don´t know whats I am doing wrong.
WARNING ID : 690
** WARNING IN NODE GROUP DEFINITION
WARNING ID : 690
** WARNING IN NODE GROUP DEFINITION
WARNING ID : 690
** WARNING IN NODE GROUP DEFINITION
WARNING ID : 690
** WARNING IN NODE GROUP DEFINITION
.. BOUNDARY CONDITIONS
.. IMPOSED VELOCITIES
.. DOMAIN DECOMPOSITION
.. ELEMENT GROUPS
.. ELEMENT BUFFER INITIALIZATION
ERROR ID : 495
** ERROR IN SHELL DEFINITION
<?xml version="1.0" encoding="UTF-8"?>