[ncl-talk] cssgrid error

[Liang Ning]

Hi NCL community,

I tried to use the command cssgrid to interpolate a station data set to
regular grid.  My data is 2d 18262*7981, and 7981 is the number of station.
 When I run the code, it shows this error message:

"CSSGRID - error  -493, coordinates   493 and M coincide for some M  >
493 >= 1 (coordinate numbering starting at 1).
Error number -493 returned from c_cssgridd
fatal:cssgrid: Error number -493.
fatal:["Execute.c":8567]:Execute: Error occurred at or near line 47 in file
data_interpolation.ncl"
Would anyone please tell what this message means and how to fix it?  Does
it relate to the missing values? Thank you.

Best,

Liang
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