warning with open grib data

hello,
   i want to process a grib data from GLDAS, but there occurs a series of the following warnings:
       warning:NclGRIB: Unknown grib parameter number detected (155, center 221, table version 1 grib record 5), using default variable name (VAR_155)
       .......
  my NCL version is 5.2.1
  according to the above warning, the ncl cannot indentify some variables in grib file, can somebody can give me some advice to resolve this problem.

thanks




dyjbean

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Received on Thu Feb 16 04:34:16 2012