Should this error be of any concern?

12:12:59,919 INFO [PermIndex] [RBPM] permission Index directory: /tmp/permindex
12:13:00,104 ERROR [PermIndex] [RBPM] Unrecoverable error during creation of Permission Index
com.netiq.cis.spi.IndexException: Failed to list contents of /tmp/permindex
at com.netiq.cis.permindex.PermissionIndex.initialize (
at com.netiq.idm.cis.PermIndex.initialize(PermIndex.j ava:260)
at com.netiq.idm.cis.PermIndex.access$100(PermIndex.j ava:71)
at com.netiq.idm.cis.PermIndex$ 35)
at java.util.concurrent.ThreadPoolExecutor.runWorker( Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$ (Unknown Source)
at Source)
Caused by: Failed to list contents of /tmp/permindex
at com.netiq.cis.permindex.PermissionIndex.initialize (
... 6 more