Hi, I have the NCL Version 6.2.1 and I'm trying to run the script wavelet_2.ncl. I did : wavelet_2.ncl and I had the message: warning:XyPlotSetValues:xyYStyle is NhlLOG:trYMinF can't be <= 0.0:Setting xyComputeYMin to True Please what can I do to solve this error. Thank in advance, Conrado