Hi Julie,
1) Can u please post the screenshot of your distribution model.
2) Have you moved the initial HR master data to EREC system. . Using PFAL..
3) Have you activated the change pointers in HR system ..
IMG>Application Server>IDOC Interface/ALE>Modelling and implementing business process>Master data distribution> Nodes : Activate Change pointer Generally & Activate change pointers for Message Types. Give message type as HRMD_ABA
If step 3 is not done, complete it, then go tcode BD21> Message type : HRMD_ABA ; then execute.
Now please check in EREC system whether the new candidate related data is available.
Let me know your feedback.
Regards,
ER.