java.io.IOException: WORKSPACE does not exist.
 at hudson.FilePath.glob(FilePath.java:2079)
 at hudson.FilePath.access$3400(FilePath.java:213)
 at hudson.FilePath$ListGlob.invoke(FilePath.java:2053)
 at hudson.FilePath$ListGlob.invoke(FilePath.java:2041)
 at hudson.FilePath.act(FilePath.java:1163)
 at hudson.FilePath.act(FilePath.java:1146)
 at hudson.FilePath.list(FilePath.java:2039)
 at hudson.FilePath.list(FilePath.java:2023)
 at org.jenkinsci.plugins.pipeline.utility.steps.fs.FindFilesStepExecution.run(FindFilesStepExecution.java:63)
 at org.jenkinsci.plugins.pipeline.utility.steps.fs.FindFilesStepExecution.run(FindFilesStepExecution.java:44)
 at org.jenkinsci.plugins.workflow.steps.SynchronousNonBlockingStepExecution.lambda$start$0(SynchronousNonBlockingStepExecution.java:47)
 at java.base/java.util.concurrent.Executors$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:834)