Solution : https://service.sap.com/sap/support/notes/373526 (SAP Service marketplace login required)
Key words :
enter row type '/sapapo/om_io_key', enter data type '/sapapo/rrp_sorted_io_keys', change function module '/sapapo/rrp_schedule_delete', 'sorted table' selection field, development class dialog box, type '/sapapo/rrp_sorted_io_keys', enter '/sapapo/rrp_gui', 'reference type' field, incorrect table type, select 'table type'
Related Notes :
373269 | APO PP/DS: immediate automatic planning |