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Hi Nadya, I can see you are trying to create a movie loop from reanalysis data. I just tried to do this by downloading some reanalysis data and did not encounter problems. Here is a tip. In the movie capture dialog (View -> Capture -> Movie), click on the "Time Animation" button. That's the easiest way of generating a movie for the entire selected time range. Best, Unidata IDV Support > Full Name: Nadya > Organization: university > Package Version: 5.3 build date:2016-05-23 19:17 UTC > Operating System: Windows 8.1 > Hardware: Java: home: C:\Program Files\IDV_5.3\jre version: 1.8.0_45 > j3d:1.6.0-pre9-daily-experimental daily > Description of problem: Creating movie > java.lang.NullPointerException > > ****************** > Stack trace: > java.lang.NullPointerException > at ij.process.ByteProcessor.<init>(ByteProcessor.java:26) > at > ucar.unidata.ui.AnimatedGifEncoder.Process8bitCLT(AnimatedGifEncoder.java:695) > at ucar.unidata.ui.AnimatedGifEncoder.addFrame(AnimatedGifEncoder.java:382) > at ucar.unidata.ui.AnimatedGifEncoder.addFrame(AnimatedGifEncoder.java:335) > at ucar.unidata.ui.AnimatedGifEncoder.createGif(AnimatedGifEncoder.java:311) > at > ucar.unidata.idv.ui.ImageSequenceGrabber.createMovie(ImageSequenceGrabber.java:2246) > at > ucar.unidata.idv.ui.ImageSequenceGrabber.createMovie(ImageSequenceGrabber.java:2108) > at > ucar.unidata.idv.ui.ImageSequenceGrabber.writeMovie(ImageSequenceGrabber.java:1523) > at > ucar.unidata.idv.ui.ImageSequenceGrabber.stopAnimationCapture(ImageSequenceGrabber.java:1276) > at > ucar.unidata.idv.ui.ImageSequenceGrabber.runAnimationCapture(ImageSequenceGrabber.java:1251) > at > ucar.unidata.idv.ui.ImageSequenceGrabber.access$400(ImageSequenceGrabber.java:111) > at > ucar.unidata.idv.ui.ImageSequenceGrabber$5.run(ImageSequenceGrabber.java:1117) > at ucar.unidata.util.Misc$3.run(Misc.java:1243) > > > Ticket Details =================== Ticket ID: FCE-107174 Department: Support IDV Priority: Normal Status: Closed =================== NOTE: All email exchanges with Unidata User Support are recorded in the Unidata inquiry tracking system and then made publicly available through the web. If you do not want to have your interactions made available in this way, you must let us know in each email you send to us.