Solution : https://service.sap.com/sap/support/notes/719486 (SAP Service marketplace login required)
Key words :
prerequisites program error solution apply, 'null' object reference, applicable support package, contextmenu customizing, cl_crm_cic_htmlgui_workspace==cp, if_ccm_workspace~execute, cl_crm_cic_htmlgui_workspace==cm00b, correction instructions, objects_objref_not_assigned, cx_sy_ref_is_initialc
Related Notes :
| 663827 | SSO doesn't work for WebGui- or HTML- Actionbox calls |