If you are getting the ITAB_DUPLICATE_KEY error while you are in XPRA phase like shown in the following structure, then you can check the solution field.

2 EPU122XPost-import method “FDT_AFTER_IMPORT_C” started for “FDT0000″ “T”, date and time: “20210805221410″
1AETR012XProgram canceled (job “RDDEXECL”, number “20178801″)
1AEPU320 See job log”RDDEXECL””20195100″”SP3″
1 ETP162 EXECUTION OF REPORTS AFTER PUT
1 ETP110 end date and time : “20210805221512″
1 ETP111 exit code : “12″
1 ETP199 ######################################

ST22 Dump entry ;

{O:3009!\CLASS=CL_FDT_TYPEDESCR*\CLASS=CL_FDT_ELEMDESCR}\DATA=MS_TEXT_BUFFER-TS_TEXT”.
Updating unique table key “PRIMARY_KEY” resulted in a duplicate entry however. The key inquestion could be either the primary key or a secondary key.

Solution ;

Check and apply the following OSS Note “2402344 – BRF+: Texts not displayed in login language”