(Fiji Is Just) ImageJ 2.0.0-rc-23/1.50c10; Java 1.6.0_24 [64-bit]; Windows 7 6.1; 166MB of 6093MB (2%) java.lang.NoClassDefFoundError: org/bytedeco/javacpp/helper/opencv_core$CvArr at TemplateMatching.Align_slices.alignSlices(Align_slices.java:164) at TemplateMatching.Align_slices.run(Align_slices.java:108) at ij.plugin.filter.PlugInFilterRunner.processOneImage(PlugInFilterRunner.java:263) at ij.plugin.filter.PlugInFilterRunner.(PlugInFilterRunner.java:112) at ij.IJ.runUserPlugIn(IJ.java:214) at ij.IJ.runPlugIn(IJ.java:176) at ij.Executer.runCommand(Executer.java:132) at ij.Executer.run(Executer.java:65) at java.lang.Thread.run(Thread.java:662) Caused by: java.lang.ClassNotFoundException: org.bytedeco.javacpp.helper.opencv_core$CvArr at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:307) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:248) ... 9 more -- ImageJ mailing list: http://imagej.nih.gov/ij/list.html