Solution : https://service.sap.com/sap/support/notes/524590 (SAP Service marketplace login required)
Key words :
access tables whoses keys, newly formed profitability segments, specifically created derivation rule, account assignment table ce4xxxx_acct, segment level characteristics increases, account assignment objects, line item tables, line item fields, profitability segments small, existing profitability segments
Related Notes :
199467 | Info: New act assignment table as of Release 4.5 |
122578 | CO-PA realignment: characteristics are not changed |
35288 | Profitability Analysis: Technical Documentation |
33836 | Index structure for the object table in CO-PA |