Issue link: https://resources.pcb.cadence.com/i/1180190
Migration Guide for Allegro Platform Products Allegro Platform Front-End Products October 2019 18 Product Version 17.4-2019 © 1999-2019 All Rights Reserved. 3. Click Yes to view the log file. When you close the log file, a message is displayed, forcing you to quit the application and open the design in a pre-16.5 release. After you have migrated the design to 16.5, package the design and update the board file before running the import physical operation.