3065103 - Dimension master data are not displayed in BPC Web Admin - Runtime Error DATREF_NOT_ASSIGNED from ABAP Program CL_UJAM_BW_HIER_ACCESSOR======CP

• ENTITY dimension members are not displayed in BPC Web Admin(Master data for ENTITY dimension exist in the back-end)
• This issue started when the customer tried to add a new version(time dependent hierarchy) for the dimension and ran UJA_REFRESH_DIM_CACHE.
• The system is upgraded from BPC10.1/BW 7.4  to BPC10.1/BW7.5 SP20
• Executing UJA_REFRESH_DIM_CACHE and UJHANA_REFERSH_VIR_CUBE generates "500 Internal Server Error" in BPC Web.
• ST22 dump is generated:
  
  • Runtime Errors         DATREF_NOT_ASSIGNED
  • ABAP Program          CL_UJAM_BW_HIER_ACCESSOR======CP
  • Short Text               Access using a 'NULL' data reference is not possible   

SAP Business Planning and Consolidation 10.1, version for SAP NetWeaver

500, server error, ST22, CL_UJAM_BW_HIER_ACCESSOR======CP, TDH, time dependent hierarchy, Access using a 'NULL' data reference is not possible , KBA , EPM-BPC-NW-ADM-DIM , Dimension Management , Problem