Engines fail to boot up. The following error will appear in the gw-*.log for Linux and in the app window for Windows:
Cannot migrate: There is no migration path
This issue can be caused by one of two things:
If this occurred right after a migration, recopy the engine database files to the same or newer version of Appian.
If this occurred right after applying a hotfix, reapply the hotfix.
This article applies to all versions of Appian.
Last Reviewed: March 2017
© 2019 Appian. All rights reserved.