This is just an informational message.
Check where the pam_localuser entry exists and if it is set to sufficient.
For example on Linux:
cd /etc/pam.d
grep pam_localuser *
If this is configured as 'sufficient' then it can be safely ignored as it will not prevent any logon.
E.g:
------------------------------------------------------------------
account sufficient pam_localuser.so
------------------------------------------------------------------
STATUS:
Defect 793588 has been fixed in QAS 4.1.8.23891 and 4.2.2.25319. To download the latest release go to https://support.oneidentity.com/authentication-services/download-new-releases