Jenkins : ThinBackup : Cannot perform backup

Good morning, Hope that someone can help me figure this out. I have installed the plugin ThinBackup to test how the backup work with jenkins
So i have create the backup directory: I have applied the permissions 777 to that directory - see screenshot


Here is the configuration of thinbackup where you that the directory is specify

but everytime i run the backupnow i have the same permissions issue error message. Any idea what it could be?

Sep. 13, 2022 6:27:00 A.M. SEVERE org.jvnet.hudson.plugins.thinbackup.ThinBackupPeriodicWork backupNow

Cannot perform a backup. Please be sure jenkins/hudson has write privileges in the configured backup path ‘/home/joel/jenkinsbackup’.
java.io.IOException: Could not create backup directory. Backup cannot be performed.
at org.jvnet.hudson.plugins.thinbackup.backup.HudsonBackup.backup(HudsonBackup.java:163)
at org.jvnet.hudson.plugins.thinbackup.ThinBackupPeriodicWork.backupNow(ThinBackupPeriodicWork.java:89)
at org.jvnet.hudson.plugins.thinbackup.ThinBackupMgmtLink$1.execute(ThinBackupMgmtLink.java:83)
at org.jvnet.hudson.plugins.thinbackup.hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:53)
at java.base/java.lang.Thread.run(Thread.java:829)

Make sure the owner of the folder is **jenkins**`` chown jenkins:jenkins folder