Dear all,
I am getting the following error massage when executing ./icbc,

 

This is ICBC part of the RegCM version 4
   SVN Revision:  compiled at: data : Aug 09 2010  time: 09:02:34

 : this run start at    : Tue Aug 10 22:25:13 2010
 : it is submitted by   : flduan
 : it is running on     : node64
 : in directory         : /public/home/qita/flduan/RegCM-4.0/Bin
                      
 NREC =       299500
 NSTART,NNNEND:        87665       87669
 IDATE1,IDATE2:   2001010200  2001010300
 READ IN fields at DATE:  2001010200
 Error: the RCM surface is above the GCM
 model top at i,j=           1           1
 This might reasonably happen if you have a
 very tall mountain in your domain. Setting
 ptop to a smaller value could help.
 Otherwise, this indicates a bug somewhere...
 NaN             =>  NaN            ,    5.000000   

also ,i chang ptop as 2.0,the same message

 

Any idea please
Thank you
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