Solution : https://service.sap.com/sap/support/notes/422023 (SAP Service marketplace login required)
Key words : 
select 'execute repair' select 'expert mode -> object selection', ------------------------------------------------------------------------ix/ chronological summarydate topic short description------------------------------------------------------------------------jun/02/05, chronological summaryii/ important general information------------------------< d035504 17/jul/02 >-------------------, -----------------------< d022631 dec/03/01 >--------------------<z1>checking sap programs -, guide-----------------------<d020384 nov/18/01 >---------------------repairing inconsistent infoobjectsbefore, sapnet alias bw services & implementation -, 'delete ddic/db objects' checkboxes, phase initshdthe shdinst_host phase tasks, upgrade phases ------------------------< d028310 jan/07/02 >-------------------phase, -----------------------<d020847 sep/19/01 >---------------------phase shdinst_host replaced
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