FailedConsole Output

Started by upstream project "relay-lnt-ctmark" build number 11975
originally caused by:
 Started by upstream project "clang-stage1-RA" build number 19892
 originally caused by:
  Started by an SCM change
Obtained zorg/jenkins/jobs/jobs/lnt-ctmark-aarch64-Oz from git https://github.com/llvm/llvm-zorg.git
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[Pipeline] Start of Pipeline
[Pipeline] readTrusted
Obtained zorg/jenkins/common.groovy from git https://github.com/llvm/llvm-zorg.git
[Pipeline] properties
[Pipeline] node
Still waiting to schedule task
Waiting for next available executor on ‘green-dragon-12Pausing (Preparing for shutdown)
Resuming build at Mon Apr 05 09:40:47 PDT 2021 after Jenkins restart
Resuming (Shutdown was canceled)
[Pipeline] End of Pipeline
java.lang.IllegalStateException: JENKINS-50407: no loaded shell in CpsFlowExecution[Owner[lnt-ctmark-aarch64-Oz/9508:lnt-ctmark-aarch64-Oz #9508]]
	at org.jenkinsci.plugins.workflow.cps.SandboxContinuable.run0(SandboxContinuable.java:35)
	at org.jenkinsci.plugins.workflow.cps.CpsThread.runNextChunk(CpsThread.java:185)
	at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.run(CpsThreadGroup.java:400)
	at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.access$400(CpsThreadGroup.java:96)
	at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup$2.call(CpsThreadGroup.java:312)
	at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup$2.call(CpsThreadGroup.java:276)
	at org.jenkinsci.plugins.workflow.cps.CpsVmExecutorService$2.call(CpsVmExecutorService.java:67)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at hudson.remoting.SingleLaneExecutorService$1.run(SingleLaneExecutorService.java:139)
	at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)
	at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:68)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Finished: FAILURE