I keep getting that the executor is dead

Sep 02, 2015 6:19:13 AM SEVERE hudson.model.Executor run
Unexpected executor death
java.lang.IllegalStateException: cannot create a build with number 225 since that (or higher) is already in use among [207, 229, 230]
at jenkins.model.lazy.AbstractLazyLoadRunMap.proposeNewNumber(AbstractLazyLoadRunMap.java:361)
at hudson.model.RunMap.put(RunMap.java:192)
at jenkins.model.lazy.LazyBuildMixIn.newBuild(LazyBuildMixIn.java:178)
at hudson.model.AbstractProject.newBuild(AbstractProject.java:1021)
at hudson.model.AbstractProject.createExecutable(AbstractProject.java:1211)
at hudson.model.AbstractProject.createExecutable(AbstractProject.java:145)
at hudson.model.Executor$1.call(Executor.java:362)
at hudson.model.Executor$1.call(Executor.java:344)
at hudson.model.Queue._withLock(Queue.java:1345)
at hudson.model.Queue.withLock(Queue.java:1210)
at hudson.model.Executor.run(Executor.java:344)