Solution : https://service.sap.com/sap/support/notes/967876 (SAP Service marketplace login required)
Key words :
customer-specific source code, prerequisites reasonthis problem, c1f2_substances_used function module, internal 'e_usage_tab' table, symptom component, product safetymodule, sort sequence, e_usage_tab-vaord, assignment type, 'vaord' field
Related Notes :
949062 | Corrections for EH&S 2.7B: Support Package 13 |