Jenkins workflow pipeline is crashing

[WARNING] 2023-06-16T20:48:14 org.jenkinsci.plugins.workflow.cps.CpsVmExecutorService

java.lang.NoClassDefFoundError: Could not initialize class org.jenkinsci.plugins.workflow.cps.SandboxContinuable

at org.jenkinsci.plugins.workflow.cps.CpsThread.(CpsThread.java:122)

at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.addThread(CpsThreadGroup.java:215)

at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution$1.run(CpsFlowExecution.java:546)

at org.jenkinsci.plugins.workflow.cps.CpsVmExecutorService$1.run(CpsVmExecutorService.java:38)

at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)

at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)

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 jenkins.util.ErrorLoggingExecutorService.lambda$wrap$0(ErrorLoggingExecutorService.java:51)

at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)

at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)

at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)

at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)

at java.base/java.lang.Thread.run(Thread.java:829)

Unexpected exception in CPS VM thread: CpsFlowExecution[Owner

Lacking any details I’ll recommend updating your plugins and/or jenkins version