As of ASpace v 1.3, the "Reports" functionality depends on MySQL stored procedures. This is application-logic stored in the database.
This means that if you need to dump and reload your database, you need to use the --routines flag to ensure that the procedures are exported with your data.
If that horse has already left the barn, fear not. Just install this plugin and restart ASpace.
#Installation
Download into archivesspace/plugins/aspace_stored_procedures
Open archivesspace/config/config.xml and uncomment the AppConfig[:plugins] line (if commented)
Add 'aspace_stored_procedures' to the array
Stop ArchivesSpace
Run archivesspace/scripts/setup-database.sh (.bat on Windows)
Restart ArchivesSpace