Solution : https://service.sap.com/sap/support/notes/164545 (SAP Service marketplace login required)
Key words : 
symptom general problems, reoranizing larger caches, incorrect cache contents, reorganizing workprocess dies, kernel patches, important steps, rare cases, terms textenv_codepage_not_allowedrscpmi, prerequisites error, solution check
Related Notes : 
       
| 386574 | QA11: Termination TEXTENV_CODEPAGE_NOT_ALLOWED | 
| 143050 | sometimes TEXTENV_CODEPAGE_NOT_ALLOWED |