Dear
you can follow: https://knowage-suite.readthedocs.io/en/master/installation-guide/upgrade.html
Best Regards
Angelo
So far the the only error I found in logs is on "OperatorTrace":
Method:public void it.eng.spagobi.images.ImagesService.getImage(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)]';'demo_admin';'/knowage/restful-services/1.0/images/getImage';'';'ERR (204)';'-1';'CHROME8';'81.0.4044.138';'WINDOWS';fbe1891e60e5710570361d08b7e0b8f9