IDEA connector fails with permission errors when creating Crucible review

In the IntelliJ IDEA Atlassian connector, submitting a pre-commit code review triggers a stacktrace:

com.atlassian.theplugin.commons.remoteapi.RemoteApiException: Server returned HTTP 403 (Forbidden)
Reason: NotPermitted
Message: You do not have permission to Edit Review Details the review CR-TEST-123: com.cenqua.crucible.model.Review@27d
at com.atlassian.theplugin.commons.remoteapi.rest.AbstractHttpSession.buildExceptionText(AbstractHttpSession.java:487)
at com.atlassian.theplugin.commons.remoteapi.rest.AbstractHttpSession.retrievePostResponse(AbstractHttpSession.java:430)
at com.atlassian.theplugin.commons.crucible.api.rest.CrucibleSessionImpl.createReviewFromUpload(CrucibleSessionImpl.java:1253)
at com.atlassian.theplugin.commons.crucible.CrucibleServerFacadeImpl.createReviewFromUpload(CrucibleServerFacadeImpl.java:143)
at com.atlassian.connector.intellij.crucible.IntelliJCrucibleServerFacade.createReviewFromUpload(IntelliJCrucibleServerFacade.java:130)
at com.atlassian.theplugin.idea.crucible.AbstractCrucibleCreatePreCommitReviewForm.createReviewImpl(AbstractCrucibleCreatePreCommitReviewForm.java:56)
at com.atlassian.theplugin.idea.crucible.CrucibleCreatePreCommitUploadReviewForm.createReview(CrucibleCreatePreCommitUploadReviewForm.java:60)
at com.atlassian.theplugin.idea.crucible.CrucibleReviewCreateForm$8.run(CrucibleReviewCreateForm.java:811)
at com.intellij.openapi.progress.impl.ProgressManagerImpl$TaskRunnable.run(ProgressManagerImpl.java:3)
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.progress.impl.ProgressManagerImpl$6.run(ProgressManagerImpl.java:16)
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)