Jenkins stacktrace for QueueItemAuthenticator*, ajax, crumbs

...
        at java.lang.Thread.run(Thread.java:748)
2020-06-05 09:51:52.126+0000 [id=196158]        WARNING hudson.security.csrf.CrumbFilter#doFilter: Found invalid crumb 3d034ae5e6da555d776e1345d60fbb61f11e8545e95a9727d2c2554d5a76778c. If y
ou are calling this URL with a script, please use the API Token instead. More information: https://jenkins.io/redirect/crumb-cannot-be-used-for-script
2020-06-05 09:51:52.126+0000 [id=196158]        WARNING hudson.security.csrf.CrumbFilter#doFilter: No valid crumb was included in request for /ajaxBuildQueue by evgenyklimov. Returning 403.
2020-06-05 09:51:52.132+0000 [id=165022]        WARNING hudson.security.csrf.CrumbFilter#doFilter: Found invalid crumb 3d034ae5e6da555d776e1345d60fbb61f11e8545e95a9727d2c2554d5a76778c. If y
ou are calling this URL with a script, please use the API Token instead. More information: https://jenkins.io/redirect/crumb-cannot-be-used-for-script
2020-06-05 09:51:52.132+0000 [id=165022]        WARNING hudson.security.csrf.CrumbFilter#doFilter: No valid crumb was included in request for /ajaxExecutors by evgenyklimov. Returning 403.
2020-06-05 09:51:55.190+0000 [id=122]   SEVERE  hudson.triggers.SafeTimerTask#run: Timer task hudson.model.Queue$MaintainTask@52ac9363 failed
java.lang.IllegalStateException: The class jenkins.security.QueueItemAuthenticatorConfiguration was not found, potentially not yet loaded
        at hudson.ExtensionList.getInstance(ExtensionList.java:166)
        at jenkins.security.QueueItemAuthenticatorConfiguration.get(QueueItemAuthenticatorConfiguration.java:61)
        at jenkins.security.QueueItemAuthenticatorConfiguration$ProviderImpl.getAuthenticators(QueueItemAuthenticatorConfiguration.java:70)
        at jenkins.security.QueueItemAuthenticatorProvider$IteratorImpl.hasNext(QueueItemAuthenticatorProvider.java:44)
        at hudson.model.Queue$Item.authenticate(Queue.java:2331)
        at hudson.model.Node.canTake(Node.java:401)
        at hudson.model.Queue$JobOffer.getCauseOfBlockage(Queue.java:276)
        at hudson.model.Queue.maintain(Queue.java:1633)
        at hudson.model.Queue$MaintainTask.doRun(Queue.java:2904)
        at hudson.triggers.SafeTimerTask.run(SafeTimerTask.java:91)
        at jenkins.security.ImpersonatingScheduledExecutorService$1.run(ImpersonatingScheduledExecutorService.java:58)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
2020-06-05 09:51:57.167+0000 [id=165022]        WARNING hudson.security.csrf.CrumbFilter#doFilter: Found invalid crumb 3d034ae5e6da555d776e1345d60fbb61f11e8545e95a9727d2c2554d5a76778c. If you are calling this URL with a script, please use the API Token instead. More information: https://jenkins.io/redirect/crumb-cannot-be-used-for-script
2020-06-05 09:51:57.167+0000 [id=165022]        WARNING hudson.security.csrf.CrumbFilter#doFilter: No valid crumb was included in request for /ajaxBuildQueue by evgenyklimov. Returning 403.
2020-06-05 09:51:57.233+0000 [id=113]   WARNING hudson.security.csrf.CrumbFilter#doFilter: Found invalid crumb 3d034ae5e6da555d776e1345d60fbb61f11e8545e95a9727d2c2554d5a76778c. If you are calling this URL with a script, please use the API Token instead. More information: https://jenkins.io/redirect/crumb-cannot-be-used-for-script
2020-06-05 09:51:57.233+0000 [id=113]   WARNING hudson.security.csrf.CrumbFilter#doFilter: No valid crumb was included in request for /ajaxExecutors by evgenyklimov. Returning 403.
2020-06-05 09:52:00.208+0000 [id=47]    SEVERE  hudson.triggers.SafeTimerTask#run: Timer task hudson.model.Queue$MaintainTask@52ac9363 failed
java.lang.IllegalStateException: The class jenkins.security.QueueItemAuthenticatorConfiguration was not found, potentially not yet loaded
        at hudson.ExtensionList.getInstance(ExtensionList.java:166)
        at jenkins.security.QueueItemAuthenticatorConfiguration.get(QueueItemAuthenticatorConfiguration.java:61)
        at jenkins.security.QueueItemAuthenticatorConfiguration$ProviderImpl.getAuthenticators(QueueItemAuthenticatorConfiguration.java:70)
        at jenkins.security.QueueItemAuthenticatorProvider$IteratorImpl.hasNext(QueueItemAuthenticatorProvider.java:44)
        at hudson.model.Queue$Item.authenticate(Queue.java:2331)
        at hudson.model.Node.canTake(Node.java:401)
        at hudson.model.Queue$JobOffer.getCauseOfBlockage(Queue.java:276)
        at hudson.model.Queue.maintain(Queue.java:1633)
        at hudson.model.Queue$MaintainTask.doRun(Queue.java:2904)
        at hudson.triggers.SafeTimerTask.run(SafeTimerTask.java:91)
        at jenkins.security.ImpersonatingScheduledExecutorService$1.run(ImpersonatingScheduledExecutorService.java:58)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
        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)
2020-06-05 09:52:00.598+0000 [id=320663]        WARNING j.util.AtmostOneTaskExecutor$1#call
java.lang.IllegalStateException: The class jenkins.security.QueueItemAuthenticatorConfiguration was not found, potentially not yet loaded
        at hudson.ExtensionList.getInstance(ExtensionList.java:166)
        at jenkins.security.QueueItemAuthenticatorConfiguration.get(QueueItemAuthenticatorConfiguration.java:61)
        at jenkins.security.QueueItemAuthenticatorConfiguration$ProviderImpl.getAuthenticators(QueueItemAuthenticatorConfiguration.java:70)
        at jenkins.security.QueueItemAuthenticatorProvider$IteratorImpl.hasNext(QueueItemAuthenticatorProvider.java:44)
        at hudson.model.Queue$Item.authenticate(Queue.java:2331)
        at hudson.model.Node.canTake(Node.java:401)
        at hudson.model.Queue.makeFlyWeightTaskBuildable(Queue.java:1736)
        at hudson.model.Queue.makeBuildable(Queue.java:1698)
        at hudson.model.Queue.maintain(Queue.java:1574)
        at hudson.model.Queue$1.call(Queue.java:335)
        at hudson.model.Queue$1.call(Queue.java:332)
        at jenkins.util.AtmostOneTaskExecutor$1.call(AtmostOneTaskExecutor.java:108)
        at jenkins.util.AtmostOneTaskExecutor$1.call(AtmostOneTaskExecutor.java:98)
        at jenkins.security.ImpersonatingExecutorService$2.call(ImpersonatingExecutorService.java:71)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at hudson.remoting.AtmostOneThreadExecutor$Worker.run(AtmostOneThreadExecutor.java:111)
        at java.lang.Thread.run(Thread.java:748)
2020-06-05 09:52:00.616+0000 [id=320664]        WARNING j.util.AtmostOneTaskExecutor$1#call
java.lang.IllegalStateException: The class jenkins.security.QueueItemAuthenticatorConfiguration was not found, potentially not yet loaded
        at hudson.ExtensionList.getInstance(ExtensionList.java:166)
        at jenkins.security.QueueItemAuthenticatorConfiguration.get(QueueItemAuthenticatorConfiguration.java:61)
        at jenkins.security.QueueItemAuthenticatorConfiguration$ProviderImpl.getAuthenticators(QueueItemAuthenticatorConfiguration.java:70)
        at jenkins.security.QueueItemAuthenticatorProvider$IteratorImpl.hasNext(QueueItemAuthenticatorProvider.java:44)
        at hudson.model.Queue$Item.authenticate(Queue.java:2331)
        at hudson.model.Node.canTake(Node.java:401)
        at hudson.model.Queue.makeFlyWeightTaskBuildable(Queue.java:1736)
        at hudson.model.Queue.makeBuildable(Queue.java:1698)
        at hudson.model.Queue.maintain(Queue.java:1574)
        at hudson.model.Queue$1.call(Queue.java:335)
        at hudson.model.Queue$1.call(Queue.java:332)
        at jenkins.util.AtmostOneTaskExecutor$1.call(AtmostOneTaskExecutor.java:108)
        at jenkins.util.AtmostOneTaskExecutor$1.call(AtmostOneTaskExecutor.java:98)
        at jenkins.security.ImpersonatingExecutorService$2.call(ImpersonatingExecutorService.java:71)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at hudson.remoting.AtmostOneThreadExecutor$Worker.run(AtmostOneThreadExecutor.java:111)
        at java.lang.Thread.run(Thread.java:748)