Getting Root node is not accessible Error while applying

[vishnuvt999]

Hi Team,

I have installed NetCentric ACL Tool in my local and Getting Root node is not accessible Error while applying .

Version :- 6.5.20
Netcentric Tool:- AC Tool v3.0.9
Added admin privilege to actool-service user also

03.05.2024 11:32:38.408 ERROR [[0:0:0:0:0:0:0:1] [1714716158359] GET /mnt/overlay/netcentric/actool/content/overview.html/actool HTTP/1.1] biz.netcentric.cq.tools.actool.history.impl.AcHistoryServiceImpl Could not get history items: javax.jcr.AccessDeniedException: Root node is not accessible.
javax.jcr.AccessDeniedException: Root node is not accessible.
at org.apache.jackrabbit.oak.jcr.session.SessionImpl$5.perform(SessionImpl.java:324) [org.apache.jackrabbit.oak-jcr:1.22.18]
at org.apache.jackrabbit.oak.jcr.session.SessionImpl$5.perform(SessionImpl.java:318) [org.apache.jackrabbit.oak-jcr:1.22.18]
at org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.perform(SessionDelegate.java:207) [org.apache.jackrabbit.oak-jcr:1.22.18]
at org.apache.jackrabbit.oak.jcr.session.SessionImpl.getRootNode(SessionImpl.java:318) [org.apache.jackrabbit.oak-jcr:1

Please advice