Solution : https://service.sap.com/sap/support/notes/1273913 (SAP Service marketplace login required)
Key words :
support package level sapkb64012, error processing control, runtime error message_type_x, runtime error, program error, control framework, maintain texts, sd documents, transaction va01, unicode-enabled
Related Notes :
| 1425646 | Runtime error MESSAGE_TYPE_X maintaining text with Unicode |
| 954372 | Short dump when navigating to text screen (troubleshooting) |