Caused by: com.ibm.websphere.wim.exception.WIMSystemException: CWWIM4520E The 'javax.naming.NamingException: [LDAP: error code 80 - Other]

If the above error is seen in Sysout logs of WAS please check LDAP is up and running fine.

80

LDAP_OTHER

Indicates an unknown error condition. This is the default value for NDS error codes which do not map to other LDAP error codes