error on LicenseManager.getOptimizedSyncRequestBO(com.adobe.edc.server.businessobject.EDCContext).

[#1]

Hi, we have a problem with our Rights Management server.

Since 0600 this morning we get a error on LicenseManager.getOptimizedSyncRequestBO(com.adobe.edc.server.businessobject.EDCContext). Any Ide what generates this message?