Hi any facing issue this
2020.03.17 12:08:59 org.jivesoftware.openfire.reporting.stats.StatsEngine - Error sampling for statistic server_sessions
org.jrobin.core.RrdException: Datasource server_sessions not found
at org.jrobin.core.Sample.setValue(Sample.java:89) ~[jrobin-1.5.9.jar!/:?]
at org.jivesoftware.openfire.reporting.stats.StatsEngine$SampleTask.run(StatsEngine.java:389) [monitoring-2.0.0.jar!/:?]
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_202]
at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_202]
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [?:1.8.0_202]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [?:1.8.0_202]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_202]
where keep flooding the error log .