Question1Replies107Views DurjoyD5 Member since 2017 1 post British Telecommunications PLC Posted: 2 years agoLast activity: 2 years 2 months ago Closed FUAInstance-RuleNotFound error after platform update from 7.3.1 to 7.4Hi ,How do I troubleshoot FUAInstance-RuleNotFound error after doing an update from 7.3.1 to 7.4 and while starting the application it throwsError java.lang.RuntimeException: PRAppLoader was not properly initialized, unable to load class com.pega.pegarules.web.servlet.WebAppLifeCycleListenerIt will be great if anyone can throw some light on the resolution. The steps followed here is1. Create out of place database schema in same database2. Import data from existing schema to new schema3. Run GenerateDDL.sh4. Apply DDL5. Run update.shThe media used is 115944_Pega74-U.zipRegards,Durjoy Low-Code App Development Upgrades ×Close popoverFacebookTwitterLinkedinEmail Copy Link Copied! Moderation Team has archived post This thread is closed to future replies. Content and links will no longer be updated. If you have the same/similar Question, please write a new Question. Posted: 2 years agoGOWRISHANKAR PEGA replied to DurjoyD5Hello, Could you please let us know whether the below PDN link resolves this issue. https://community.pega.com/support/support-articles/runtimeexception-during-server-restart Thanks, Gowrishankar.