Solution : https://service.sap.com/sap/support/notes/1527936 (SAP Service marketplace login required)
Key words :
cl_crm_bol_bo_col=>if_bol_bo_col~insert reason, selected configurable main item, program error occurs, configurable item, index insert, exception occurs, view followup01el, original document, terms cx_bol_exception, solution implement
Related Notes :
| 1414378 | Incorrect item numbers in follow-up document w/configuration |
| 1369959 | Followup: copy configurable product to followup document |
| 899900 | Problems with subitems from configuration |