Question1Replies88Views×Close popoverSrivani Masanigudem (SrivaniM5306) Accenture Team Leader Accenture IN View Profile SrivaniM5306 Member since 2015 1 post Accenture Posted: January 12, 2018Last activity: January 12, 2018Posted: 12 Jan 2018 6:42 ESTLast activity: 12 Jan 2018 9:57 EST 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 System Administration 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: 3 years agoPosted: 12 Jan 2018 9:57 EST×Close popoverLaurence Brannigan (LaurenceB_GCS) PEGA Senior Software Solutions Engineer PEG GB View ProfileLaurenceB_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)?