Solution : https://service.sap.com/sap/support/notes/626640 (SAP Service marketplace login required)
Key words :
enter message class crm_ipm_usage_data, incorrect confirmation period entered, terms transaction crm_ipm_d_usage_data, note work correctly, call transaction se11, crmt_item_id press enter, crmt_ipm_datatype_profile press enter, call transaction se91, exit transaction se91, enter confirmation data
Related Notes :
634869 | SAPKU40001: Support Package 01 for CRM 4.0 |
634218 | |
627506 | |
620549 | IPM: Problem when entering confirmation periods |