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Regional Configuration

Hi all, I have been trying to set up a regional configuration of CICE (standalone).   I have generated a dipole grid  requried for the region as follows with 1degree resolution.dimensions:
    y = 76 ;
    x = 36 ;variables:
    int cellId(y, x) ;
    double elevation(y, x) ;
    int kmt(y, x) ;
    double ulat(y, x) ;
    double ulon(y, x) ;
    double htn(y, x) ;
    double hte(y, x) ;
    double hus(y, x) ;
    double huw(y, x) ;
    double angle(y, x) ;A closed boundary condition is used in the north and the south and  open boundaries in the east and west. Also ice restoration and temperature resoration is given in the model.  But the model fails to iterate and gives the following error  picard convergence failed!
           0  -3.29463739169104                          NaN
           1  -2.45582053706832                          NaN
  -111926746.156852    
           1  -1.78651646522020                          NaN
   13.5942483120966                          NaN  0.425356194943334    
  -181271968.018592    
           2  -1.81037998289858                          NaN
   10.5264096425871                          NaN  0.325162517407880    
  -211594806.095876    
           3  -1.81854384845496                          NaN
   7.24861518973230                          NaN  0.222938262722136    
  -242480472.737330    
           4  -1.82964723663980                          NaN
   4.94063836363244                          NaN  0.151062008346197    
  -264206808.294235    
           5  -1.84368586606091                          NaN
   3.76110979462537                          NaN  0.114150445110059    
  -275381114.196875    
           6  -1.85953130979032                          NaN
   3.52317288926887                          NaN  0.106047869631236    
  -277861582.668566    
           7  -1.87678615273913                          NaN
   4.20636580274873                          NaN  0.125486670853079    
  -272033042.248950    
 -------------------------------------
 ice_therm_mushy solver failure: istep1, my_task, i, j:        8761           0
           2           2
 ice_therm_mushy solver failure

Any  suggestion  is much appreciated. If anyone can provide a useful resoursce to regional modeling using CICE would be of great help. ThanksSiva
 
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