Solution : https://service.sap.com/sap/support/notes/1259442 (SAP Service marketplace login required)
Key words : 
application group -> sap frontend components -> bi addon, /swdc -> download -> sap support packages -> entry, prerequisites missing functionality solution apply, sap gui -> bi 7, sap service marketplace, support package mentioned, excel 2007 file formats, terms precalculation server, frontend reason, precalculation server
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