3447455 - Group Reporting: Unexpected error "FS item role is not mapped to an FS item"

By running

1. configuration step SAP S/4HANA for Group Reporting > Consolidation of Investments > Check Consistency of Customizing for Consolidation of Investments, or
2. a reclassification task in Data Monitor or Consolidation Monitor app, or
3. activity-based consolidation of investments task in Consolidation Monitor app,

error FS item role is not mapped to an FS item (message no. MSG_FINCS_MD_MAINT 041) occurs.

SAP S/4HANA Cloud Private Edition, SAP S/4HANA Finance for Group Reporting

MSG_FINCS_MD_MAINT041 , KBA , FIN-CS-MD , Master Data , FIN-CS-COR-RCL , Reclassification , FIN-CS-COR-COI , Consolidation of Investments , Known Error