SAP Message RSOS110 - Index information will be deleted in all languages

Diagnosis
Checking on Re-index checkbox

System Response
Warning message: All information previously indexed will be deleted inall the languages. New information will be indexed for the selectedobject type in the selected languages. (If no language is selected thenin all languages)

Procedure
If select ok then above mentioned task will be executed. If selectcancel then processing will stop.