The error about surfacedata

[1057398146@qq_com]

Dear sir or madam:I am using cesm1_2_1 with the land part CLM4.5 .I have succefully created my own single point surface data.But when I running the model,a error occurs in the lnd.log file as follows: Attempting to initialize time invariant variables Attempting to read soil color, sand and clay boundary data ..... (GETFIL): attempting to find local file surfdata_1x1_maduo_simyr2000.nc (GETFIL): using /vol6/home/cmip_fang/mydata/lnd/clm2/surfdata_map/surfdata_1x1_maduo_simyr2000. nc Opened existing file /vol6/home/cmip_fang/mydata/lnd/clm2/surfdata_map/surfdata_1x1_maduo_simyr2000. nc      131072 ncd_inqvid: variable LAKEDEPTH is not on dataset WARNING:: LAKEDEPTH not found on surface data set. All lake columns will have l ake depth set equal to default value. ncd_inqvid: variable ETALAKE is not on dataset WARNING:: ETALAKE not found on surface data set. All lake columns will have eta  set equal to default value as a function of depth. ncd_inqvid: variable LAKEFETCH is not on dataset WARNING:: LAKEFETCH not found on surface data set. All lake columns will have f etch set equal to default value as a function of depth. ncd_inqvid: variable SLOPE is not on dataset ENDRUN:iniTimeConst ERROR: TOPOGRAPHIC SLOPE NOT on surfdata filedata:
I have checked the variable SLOPE on the data ,it actually exists as:data:  SLOPE =  1.85376583267798 ; I don't know why the error occurs,please help me !!!