Solution : https://service.sap.com/sap/support/notes/308554 (SAP Service marketplace login required)
Key words :
additional key words xls, symptom excel documents, full text search, call report rstiridx_reindex, check box 'limit, full text indexing, prerequisites xls, post-indexing, indexing run, support package 4
Related Notes :
| 307960 | document classes which can be indexed |
| 171225 | KW full text search / indexing does not run |