Icy Version 1.6.1.1
Java(TM) SE Runtime Environment 1.8.0_45-b14 (64 bit)
Running on Windows 7 6.1 (amd64)
Max java memory : 7253.5 MB

Comment:
Please type here your comment

Not enough memory !
Try to increase the Maximum Memory parameter in Preferences.
You can also report the error if you think it is not due to a memory problem.
java.lang.OutOfMemoryError: Java heap space
at java.awt.image.DataBufferByte.(Unknown Source)
at java.awt.image.BandedSampleModel.createDataBuffer(Unknown Source)
at icy.image.colormodel.IcyColorModel.createCompatibleWritableRaster(IcyColorModel.java:251)
at icy.image.IcyBufferedImage.(IcyBufferedImage.java:494)
at icy.image.IcyBufferedImage.(IcyBufferedImage.java:647)
at icy.image.IcyBufferedImageUtil.getCopy(IcyBufferedImageUtil.java:323)
at icy.sequence.SequenceUtil.concatZ(SequenceUtil.java:1241)
at icy.gui.sequence.tools.SequenceDimensionMergeFrame$1$1.run(SequenceDimensionMergeFrame.java:191)
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)