Run time error in E-REC server while processing IDOCS which were pushed from HCM Server

Hello All,

I am getting an run time error while processing the IDOCS via BD87 in E-REC server. The data was pushed from HCM server to E-REC server and while processing those IDOCS i am getting the below erroe in E-REC server system.

Category               ABAP Programming Error
Runtime Errors         OBJECTS_OBJREF_NOT_ASSIGNED
ABAP Program           CL_HRRCF_ALE_EE_INBOUND=======CP
Application Component  PA-ER
Date and Time          25.11.2013 16:17:24

Short text
     Access via 'NULL' object reference not possible.

What happened?
     Error in the ABAP Application Program

     The current ABAP program "CL_HRRCF_ALE_EE_INBOUND=======CP" had to be
      terminated because it has
     come across a statement that unfortunately cannot be executed.

Can someone pls help us here.

Regards

Vj