Solution : https://service.sap.com/sap/support/notes/186226 (SAP Service marketplace login required)
Key words :
fpla-tndar eq 'zc', doubleclick implementing class cl_im_imp_sd_date_update, program saplv60f changing ch_tndat, doubleclick method if_ex_badi_sd_date_update~date_to_determination, periodic billing plan starts, fpla-perio reason, development class vz, select tab 'interface', create implementation imp_sd_date_update, change implementation imp_sd_date_update
Related Notes :
| 186161 | Additional settlement period in the billing plan |
| 170272 | What to consider when applying advance developments |
| 170183 |