Solution : https://service.sap.com/sap/support/notes/787962 (SAP Service marketplace login required)
Key words : 
transaction sm13 displays incorrect updates, user-defined text, change characteristic values, terms ehs32sp09psehs2004sp05psscdo reason, prerequisites causethe problem, attached correction instructions, erp 2004 support package 05, transaction rmwb, transaction cg02, correction instructions
Related Notes : 
       
| 786936 | Error when creating a substance header |