Production issue caused by link to not existing original message

[528386877] errors.GrailsExceptionResolver Exception occurred when processing request: [GET] /dashboard/originalMessage/39306
Stacktrace follows:
java.lang.NullPointerException: Cannot invoke method hasAcceptedTranslation() on null object
        at translate.OriginalMessage$hasAcceptedTranslation.call(Unknown Source)
        at translate.DashboardController$_closure7.doCall(DashboardController.groovy:175)
        at translate.DashboardController$_closure7.doCall(DashboardController.groovy)
        at com.studentsonly.grails.plugins.uiperformance.CacheFilter.doFilter(CacheFilter.java:67)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)