#1 ZipChanges creates IDE Fatal Error

[Anonymous]

Every time I try and use ZipChanges with IntelliJ 8.1.3 the IDE throws a fatal error:

The DialogWrapper can be used only on event dispatch thread.: The DialogWrapper can be used only on event dispatch thread.
java.lang.IllegalStateException: The DialogWrapper can be used only on event dispatch thread.
at com.intellij.openapi.ui.DialogWrapper.ensureEventDispatchThread(DialogWrapper.java:1081)
at com.intellij.openapi.ui.DialogWrapper.<init>(DialogWrapper.java:126)
at com.intellij.openapi.ui.Messages$MessageDialog.<init>(Messages.java:452)
at com.intellij.openapi.ui.Messages.showDialog(Messages.java:84)
at com.intellij.openapi.ui.Messages.showErrorDialog(Messages.java:189)
at org.bac.plugin.zipchanges.ZipChangesCommitExecutor$ZipChangesCommitSession.execute(ZipChangesCommitExecutor.java:170)
at com.intellij.openapi.vcs.changes.ui.CommitChangeListDialog$5$1.run(CommitChangeListDialog.java:2)
at com.intellij.openapi.progress.impl.ProgressManagerImpl$3.run(ProgressManagerImpl.java:1)
at com.intellij.openapi.progress.impl.ProgressManagerImpl$TaskRunnable.run(ProgressManagerImpl.java:3)
at com.intellij.openapi.progress.impl.ProgressManagerImpl$4.run(ProgressManagerImpl.java:1)
at com.intellij.openapi.progress.impl.ProgressManagerImpl$2.run(ProgressManagerImpl.java:5)
at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:13)
at com.intellij.openapi.progress.impl.ProgressManagerImpl.runProcess(ProgressManagerImpl.java:101)
at com.intellij.openapi.application.impl.ApplicationImpl$7$1.run(ApplicationImpl.java:3)
at com.intellij.openapi.application.impl.ApplicationImpl$5.run(ApplicationImpl.java:8)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
at com.intellij.openapi.application.impl.ApplicationImpl$1$1.run(ApplicationImpl.java:5)

[Bart Cremers]

I can not reproduce this on Intellij 9.0.2