Solution : https://service.sap.com/sap/support/notes/621246 (SAP Service marketplace login required)
Key words :
transaction smicm -> goto -> http server cache-> invalidate -> globally, &style_sheet=/sap/bw/mime/bex/stylesheets/bwreports, /saphelp_bw31/helpdata/en /3f/ca453afbf37b54e10000000a11402f/content, colors solution bw web applications, mime/bex/stylesheets/bwreports, icm/http/server_cache_0/expiration, html tags found, call web application, web application takes, stylesheet remains valid
Related Notes :
| 759827 | BEx Web application text incorrectly aligned - RTL |
| 643755 | Changed style classes are ignored |
| 529241 | Invalidating the cache of the Web Applicaton Server |
| 484390 | Storing own MIMEs (e.g. stylesheets) in the MIME repository |