Solution : https://service.sap.com/sap/support/notes/993433 (SAP Service marketplace login required)
Key words :
cprojects objectlink time bar processing type, project <objectlinks>-aux_start = ls_cgpl_project-planstart, read table et_objectlinks assigning <objectlinks>, <objectlinks>-aux_finish = ls_cgpl_project-planfinish, user-defined function group, <objectlinks> type olr3_ts_obl_obj_type_fb, folder 'table/view, et_objectlinks type spec, multi-project management, upgrade guide section
Related Notes :
| 970051 | Gantt errors with display of object link data |