Hi   I run cruPG5.x for observation data but it is wrong   I change cru.param INPUT FILE:/RAID2/D1/CRU/TS2.1/CRUPRE.CDF  /RAID2/D1/CRU/TS2.1/CRUTMP.CDF  /RAID2/D1/CRU/TS2.1/CRUDTR.CDF  /RAID2/D1/CRU/TS2.1/CRUVAP.CDF  /RAID2/D1/CRU/TS2.1/CRUCLD.CDF  /RAID2/D1/CRU/TS2.1/CRUFRS.CDF  /RAID2/D1/CRU/TS2.1/CRUTMN.CDF  /RAID2/D1/CRU/TS2.1/CRUTMX.CDF  /RAID2/D1/CRU/TS2.1/CRUWET.CDF  OUTPUT FILE:PRE1982.nc  TMP1982.nc  DTR1982.nc  VAP1982.nc  CLD1982.nc  FRS1982.nc  TMN1982.nc  TMX1982.nc  WET1982.nc  CALL PARAM  DS=   60.00000    DDEG=  5.3967768E-04     29.50358       26.87992       1050.000       65.13470       43.88007     1050.000  OPENING NetCDF FILE: PRE1982.nc  ITIM=         973  READ/WRITE: PRE         1982011500         973   719136.0000000000ncvarid: 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  where is problem?  please help me  thanks