3687666 - 500 Internal Server Error: Dereferencing the NULL reference when opening Trial Balance (F0996) application in SAP Fiori Launchpad

• 500 Internal Server Error occurs.
• Category               ABAP programming error
  Runtime Errors         OBJECTS_OBJREF_NOT_ASSIGNED
  Except.                    CX_SY_REF_IS_INITIAL
  ABAP: Program          CL_FPM_BICS_GRID_UIBB_ASSIST==CP
  Application Component  BW-RUI-FPM
• Access using a 'ZERO' object reference is not possible.  
• (Short Text)                   Dereferencing of the NULL reference
• (Long Text)                    An attempt was made to execute a dynamic method callon an initial(NULL-) object reference. The reference must refer to an object. 
• >>>>>|    CHECK CAST cl_fpm_bics_qv( mo_bics_qv )->get_bookmark_pending( iv_ignore_default_bm = abap_true ) = abap_false.

• FPM Analytical GUIBB

500 internal server error, Trial Balance, F0996, OBJECTS_OBJREF_NOT_ASSIGNED, CX_SY_REF_IS_INITIAL, CL_FPM_BICS_GRID_UIBB_ASSIST, BW-RUI-FPM, SAP Fiori Launchpad, null reference, SAP_UI 758 SP04, ABAP programming error, runtime error, START_WITH_BOOKMARK, BICS Grid , KBA , BW-RUI-FPM , FPM Analytical GUIBB , Problem