Solution : https://service.sap.com/sap/support/notes/305752 (SAP Service marketplace login required)
Key words :
table it_sl_req receives return code ls_ret-type = 'e', function module /sapapo/dm_sls_req, additional key words apo, return code, initial data supply, delivery requirements errors, apo release 1, apo release 2, apo system, release apo 1
Related Notes :
352373 | |
334692 | APO - R/3 integration: Notes on troubleshooting |
177547 |