Solution : https://service.sap.com/sap/support/notes/1162529 (SAP Service marketplace login required)
Key words :
c_glu1 -> changing i_glu1_nonderived -> importing c_glu1-segment = i_glu1_underived-segment, yyyymmdd = start date c_glu1-seqnr eq 'xxxx', c_glu1 -> changing i_glu1_nonderived -> importing, allocation internal substitution badi fagl_allo_substitute returns, c_glu1-sdate eq 'yyyymmdd', c_glu1-segment = i_glu1_underived-segment, c_glu1-cycle eq 'llxxxxxxxx', simple field-field assignment, xxxx = cycle segment, call transaction se18 badi
Related Notes :
1064674 | NewGL allocation: Reasons for error GA 776 |