Solution : https://service.sap.com/sap/support/notes/555739 (SAP Service marketplace login required)
Key words :
\form=form/function/method\data=local variable, cl_gui_cfw=>flush controlframework method, short dump system_pointer_pending occurs, local variable responsible, front-end data, terms system_pointer_pending reason, collecting control data, service file webgui, local variable, control data
Related Notes :
178665 | Automation: Short dump SYSTEM_POINTER_PENDING |