3016154 - HRIS Full Sync failed error: a null object loaded from local variable 'user'

• EC to EP Field synchronization is not working 
• Hris Sync Job failed with error: a null object loaded from local variable 'user'

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Employee central - Hris Sync

HRIS Sync, Error, ECT-131221, SRSD-66292,  SRSD-66344, Caused by: java.util.concurrent.ExecutionException: java.lang.NullPointerException: while trying to invoke the method com.successfactors.user.bean.UserBean.getUserInfoRecords() of a null object loaded from local variable 'user', a null object loaded from local variable 'user' , KBA , LOD-SF-EC-HRS , HRIS Sync , Problem