Solution : https://service.sap.com/sap/support/notes/1377716 (SAP Service marketplace login required)
Key words :
check master structure delta, planning object structures, check duplicate entries, report /sapapo/ts_pstru_tool, terms /sapapo/mc62, transaction /sapapo/mc62, /sapapo/ts_lcm_delta_sync, duplicated entries, consistency checkstoolbox, releases scm 5
Related Notes :
1329960 | Selection text is missing in Program /SAPAPO/TS_PSTRU_TOOL |
492460 | Check double entries in planning object structure |