database - neo4j don't start after load a .dump file -

i dumped graph.db command in terminal:
sudo neo4j-admin dump --database=graph.db --to=/home/user/graphdb.dump

then loaded graphdb.dump in computer command in terminal:
sudo neo4j-admin load --from=/home/user/graphdb.dump --database=graph.db --force

now when start neo4j command:
sudo service neo4j start doesn't start.

when uninstall neo4j these commands:
apt-get purge neo4j
sudo apt-get autoremove

and install again command:
sudo apt install neo4j
loaded database starts correctly.

how can dump , load database in neo4j?