3194704 - "500 Internal Server Error" with dump: OBJECTS_OBJREF_NOT_ASSIGNED_NO on BICS Grid

When the user tries to change the sequence of columns "Measures", the browser returns "500 Internal Server Error" - "Dereferencing of the NULL reference".
In ST22, there is a dump pointing to an error in ABAP code:

Category               ABAP programming error
Runtime Errors         OBJECTS_OBJREF_NOT_ASSIGNED_NO
Except.                CX_SY_REF_IS_INITIAL
ABAP Program           CL_BICS_QV_AXIS===============CP
Application Component  BW-BEX-OT

...

Short Text                                                                                        
    Access using a 'ZERO' object reference is not possible.            

• Web Dynpro ABAP
• SAP_BW 755
• BICS WD Grid

Measures, sort, change sequence, 500 Internal Server Error, MMIM_FPM_OVP_GDSMVT, OBJECTS_OBJREF_NOT_ASSIGNED_NO, CX_SY_REF_IS_INITIAL, CL_BICS_QV_AXIS, Access using a 'ZERO' object reference is not possible, Goods Movement Analysis  , KBA , BW-RUI-FPM , FPM Analytical GUIBB , BW-BEX-OT , OLAP Technology , Problem