SAP Function UNICODE_RFC8B - RFC String instead of char field

Parameter Reference Type Length Default Optional Text
EXERCISE TED_A_EXERCISE C 50 exercise
LOGON_LANGU SYLANGU C 1 logon language in the source system
SOURCE SYSYSID C 8 source system
TEXT TECHED03_UTEXT-TEXT g 8 Text
TEXTID TECHED03_UTEXT-TEXTID C 5 Text ID
USERNAME SYUNAME C 12 R/3 System, user logon name

Exception Text
MODIFY_ERROR could not modify database entries