Product: Cognos Analytics 11.0.12 Microsoft Windows 2016 server Problem: When you create a report and add a visualization you get a error. Error message: The web request failed. 404 – Not Found URL: http://caservername.domain.com/ibmcognos/bi/common/palettes.json Workaround in early versions of CA11 pallettes.json needs to be copied from /bi/common folder to the /common folder https://www-01.ibm.com/support/docview.wss?uid=swg21992230 Solution: Something … Continue reading 404 – Not Found – palettes.json