Or run as a normal user in terminal Code: tracker-processes -r Better do it while on the charger or your phone will eat your battery alive while rebuilding the databases. It may take a couple of hours if you have a big collection.
tracker-processes -r
BusyBox v1.21.0 (Debian 1.21.0power2+thumb1) built-in shell (ash) Enter 'help' for a list of built-in commands. ~ $ tracker-processes -r Found 157 pids... Setting database locations Checking database directories exist Checking database version Checking database files exist Could not find database file:'/home/user/.local/share/tracker/data/common.db' One or more database files are missing, a reindex will be forced Removing all database files Removing database:'/home/user/.local/share/tracker/data/common.db' Removing database:'/var/tmp/tracker-user/cache.db' Removing database:'/home/user/.cache/tracker/file-meta.db' Removing database:'/home/user/.cache/tracker/file-contents.db' Removing database:'/home/user/.cache/tracker/email-meta.db' Removing database:'/home/user/.cache/tracker/email-contents.db' Setting index database locations Checking index directories exist Checking index files exist Could not find index file:'/home/user/.cache/tracker/file-index.db' Could not find index file:'/home/user/.cache/tracker/email-index.db' Removing all database index files Removing database index:'/home/user/.cache/tracker/file-index.db' Removing database index:'/home/user/.cache/tracker/email-index.db' ~ $