Solution : https://service.sap.com/sap/support/notes/119852 (SAP Service marketplace login required)
Key words :
find termination assign_offset+length_toolarge occurs, additional key words gcvz, form routine replace_all, program sapfgbbg, program rgugbr00, client copy, xpra phase, rule condition, extremely large, 2000 characters long
Related Notes :
| 318932 | Termination ASSIGN_OFFSET+LENGTH_TOOLARGE in SAPFGBBG |
| 178444 | 'ASSIGN_LENGTH_0' in 'STORE_SETID_IN_BUFFER' |
| 163865 | Short dump / err message GU675 in report RGXU892U |
| 119870 | Formatting of rules lost |
| 94771 | Rule maintnance (GCVZ) calls SM31 for T890 in error |
| 23751 | GEN_STRUCTURE_STACK_OVERFLOW for posting |