Hello, everyone

There is an error coming out when I'm trying to interpolate cru observation data.

CRU2RCM.f:
 INPUT FILE:CRUPRE.CDF                                       
 CRUTMP.CDF                                       
 CRUDTR.CDF                                       
 CRUVAP.CDF                                       
 CRUCLD.CDF                                       
 CRUFRS.CDF                                       
 CRUTMN.CDF                                       
 CRUTMX.CDF                                       
 CRUWET.CDF                                       
 OUTPUT FILE:PRE1998.nc                                       
 TMP1998.nc                                       
 DTR1998.nc                                       
 VAP1998.nc                                       
 CLD1998.nc                                       
 FRS1998.nc                                       
 TMN1998.nc                                       
 TMX1998.nc                                       
 WET1998.nc                                       
 CALL PARAM
 DS=    10.00000     DDEG=   8.9946276E-05
    97.13194        37.65630        1050.000        102.7092    
    42.84706        1050.000   
 OPENING NetCDF FILE: PRE1998.nc                                       
 ITIM=         1170
 READ/WRITE: PRE          1998061500         1170    863016.0000000000    
ncvarid: ncid 4: Variable not found
ncdimid: ncid 4: Invalid dimension id or name
ncvarid: ncid 4: Variable not found
ncvarid: ncid 4: Variable not found
*ERROR* in putdef in grbtst


What's the meaning of "*ERROR* in putdef in grbtst"?
Could anyone help me?
Thanks a lot!


-Liang chen