Solution : https://service.sap.com/sap/support/notes/503238 (SAP Service marketplace login required)
Key words : 
yellow traffic light icon appears, traffic light remains yellow, imported bw support package 22, relevant bw support package, sap bw support packages, -digit number greater, correct error messages, bw fact tables, unaccepted indexes end, transaction rsrv stating
Related Notes : 
       
| 451808 | iSeries: Adjusting indexes to the new index schema | 
| 407528 | AS/400: DB2/400 indexing Schema of the BW Fact Tables |