java.lang.NullPointerException: This exception has no message.

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at org.jivesoftware.openfire.ldap.LdapVCardProvider.isValidVCardChange(
at org.jivesoftware.openfire.ldap.LdapVCardProvider.updateVCard(
at org.jivesoftware.openfire.vcard.VCardManager.setVCard(
at org.jivesoftware.openfire.handler.IQvCardHandler.handleIQ(

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