Question1Replies86Views SrivaniM5306 Member since 2015 1 post Accenture Posted: 2 years agoLast activity: 2 years 8 months ago Closed Getting error while running migrate.sh file - part of upgrade from 6.2 version to 7.3As part of upgrade process from 6.2 to pega 7.3, below error is being faced while running migrate.sh file"java.lang.UnsupportedClassVersionError: Bad version number in .class file"Using Oracle version 11.What changes are to be taken care of to avoid or resolve this error.Thanks in advance 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 agoLaurenceB_GCS PEGA replied to SrivaniM5306It's a little difficult to tell without the context around the error. Which java version are you using here? Also, does this reference back to a line in the migrateSystem.xml (or another XML file)?