Solution : https://service.sap.com/sap/support/notes/1223650 (SAP Service marketplace login required)
Key words : 
dangerous goods management             transportation processingmodule, enhancement switch ea-plm, terms ehs31sp27dgehs32sp16dgehs2004sp20dgehs2005sp14dgehs62sp04dgehs63sp03dgcb01 203ehs002_check_ehs_active reason, product lifecycle management solution, enter message class cb01, basic data            define modes, system issues message cb01 203, product lifecycle management, dangerous goods processing, dangerous goods mode-
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