somethings wrongs on file config.yml and other error

[phucpeta]

hello i try to setup on Redhat7,
the fisrt, may be file config.yml must have information of Controller like: host, port, account
the 2nd, after i add "information of Controller", i face with error:
[Agent-Monitor-Scheduler-1] 20 Apr 2022 16:46:48,298 ERROR PeriodicTaskRunner - Error creating environment task
java.lang.NullPointerException: null
at com.appdynamics.extensions.sslcertificate.SslCertificateMonitor.doRun(SslCertificateMonitor.java:58) ~[?:?]
at com.appdynamics.extensions.AMonitorJob.run(AMonitorJob.java:50) ~[?:?]
at com.appdynamics.extensions.ABaseMonitor.executeMonitor(ABaseMonitor.java:199) ~[?:?]
at com.appdynamics.extensions.ABaseMonitor.execute(ABaseMonitor.java:187) ~[?:?]
at com.singularity.ee.agent.systemagent.components.monitormanager.managed.MonitorTaskRunner.runTask(MonitorTaskRunner.java:149) ~[machineagent.jar:Machine Agent v22.2.0-3282 GA compatible with 4.4.1.0 Build Date 2022-02-18 08:02:20]
at com.singularity.ee.agent.systemagent.components.monitormanager.managed.PeriodicTaskRunner.runTask(PeriodicTaskRunner.java:86) ~[machineagent.jar:Machine Agent v22.2.0-3282 GA compatible with 4.4.1.0 Build Date 2022-02-18 08:02:20]
at com.singularity.ee.agent.systemagent.components.monitormanager.managed.PeriodicTaskRunner.run(PeriodicTaskRunner.java:47) [machineagent.jar:Machine Agent v22.2.0-3282 GA compatible with 4.4.1.0 Build Date 2022-02-18 08:02:20]
at com.singularity.ee.util.javaspecific.scheduler.AgentScheduledExecutorServiceImpl$SafeRunnable.run(AgentScheduledExecutorServiceImpl.java:122) [agent-21.12.2-1071.jar:?]
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:?]
at com.singularity.ee.util.javaspecific.scheduler.ADFutureTask$Sync.innerRunAndReset(ADFutureTask.java:335) [agent-21.12.2-1071.jar:?]
at com.singularity.ee.util.javaspecific.scheduler.ADFutureTask.runAndReset(ADFutureTask.java:152) [agent-21.12.2-1071.jar:?]
at com.singularity.ee.util.javaspecific.scheduler.ADScheduledThreadPoolExecutor$ADScheduledFutureTask.access$101(ADScheduledThreadPoolExecutor.java:119) [agent-21.12.2-1071.jar:?]
at com.singularity.ee.util.javaspecific.scheduler.ADScheduledThreadPoolExecutor$ADScheduledFutureTask.runPeriodic(ADScheduledThreadPoolExecutor.java:206) [agent-21.12.2-1071.jar:?]
at com.singularity.ee.util.javaspecific.scheduler.ADScheduledThreadPoolExecutor$ADScheduledFutureTask.run(ADScheduledThreadPoolExecutor.java:236) [agent-21.12.2-1071.jar:?]
at com.singularity.ee.util.javaspecific.scheduler.ADThreadPoolExecutor$Worker.runTask(ADThreadPoolExecutor.java:694) [agent-21.12.2-1071.jar:?]
at com.singularity.ee.util.javaspecific.scheduler.ADThreadPoolExecutor$Worker.run(ADThreadPoolExecutor.java:726) [agent-21.12.2-1071.jar:?]
at java.lang.Thread.run(Unknown Source) [?:?]

I need your help!!!