[ncl-talk] Query

[Maheswar Pradhan]

can I know what do the following warnings or errors mean??

warning:CvtGenSFObjToFloatSFObj: sfDataMinV greater than sfDataMaxV: exchanging
fatal:ContourPlotInitialize: internal error creating levels, invalid max or min data value
fatal:ContourPlotInitialize: error getting contour level information
fatal:ContourPlotInitialize: error initializing dynamic arrays
fatal:Unable to initialize layer-Can't Create
fatal:Unable to access object with id:-4
fatalID #-4 can't be found in NhlSetValues
(0)        spread_colors: invalid plot: defaulting
fatalID #-4 can't be found in NhlSetValues
fatal:NhlGetValuesID #-4 is invalid

-- 
--WITH REGARDS-- 
MAHESWAR PRADHAN 
SCIENTIST-B 
SEASONAL PREDICTION 
IITM,PUNE 
MOB: 9168467694 
EXT: 457 
EMAIL: maheshwar.cat at tropmet.res.in 
maheswar.cet at gmail.com