SAP Message Q6153 - Error when activating the index &1 for table &2

Diagnosis The index &V1& belonging to table &V2& could not be activated, or onlywith warnings. System Response The information structure will not be activated. Procedure Via transaction SE12, check the index &V1& and the accompanyingactivation log and if necessary activate the index there. Theinformation structure must always be reactivated.