Blank tempo page after upgrading to 18.4

Question

After upgrading our on-premise from 18.3 to 18.4 version, we are getting blank tempo screen 
 Please find attachment for the same. 
 any lead will be appreciated 
 Thanks

thanigaivelr · Answer

Hi, Please follow the below steps to clear application server cache 1. Stop the tomcat 2. Delete the content in the <APPIAN_HOME>	omcat\apache-tomcat\work\Catalina\localhost\ 3. Start again the tomcat 4. Login to the tempo Now you should able to see the tabs and Icons. 
 community.appian.com/.../kb-1232-how-to-clear-the-application-server-cache

Singh002 · Answer

Is it due to the newly added system group "Tempo User" ? you can try adding yourself to this group .

thanigaivelr · Answer

Hi, 
 
PLease refer KB article on below link. This might helps 
 community.appian.com/.../kb-1663-basic-users-are-unable-to-see-content-in-tempo-and-receive-errors-when-navigating-to-profile-and-settings