I am having problems when populate magnum database, please help me.

I have followed the docs.

https://docs.openstack.org/magnum/train/install/install-rdo.html

sudo su -s /bin/sh -c "magnum-db-manage upgrade" magnum

/usr/lib/python2.7/site-packages/pymysql/cursors.py:170: Warning: (3719, u"'utf8' is currently an alias for the character set UTF8MB3, but will be an alias for UTF8MB4 in a future release. Please consider using UTF8MB4 in order to be unambiguous.") result = self._query(query) INFO alembic.runtime.migration Context impl MySQLImpl. INFO alembic.runtime.migration Will assume non-transactional DDL. INFO alembic.runtime.migration Running upgrade -> 2581ebaf0cb2, initial migration INFO alembic.runtime.migration Running upgrade 2581ebaf0cb2 -> 3bea56f25597, Multi Tenant Support INFO alembic.runtime.migration Running upgrade 3bea56f25597 -> 5793cd26898d, Add bay status INFO alembic.runtime.migration Running upgrade 5793cd26898d -> 3a938526b35d, Add docker volume size column INFO alembic.runtime.migration Running upgrade 3a938526b35d -> 35cff7c86221, add private network to baymodel INFO alembic.runtime.migration Running upgrade 35cff7c86221 -> 1afee1db6cd0, Add master flavor INFO alembic.runtime.migration Running upgrade 1afee1db6cd0 -> 2d1354bbf76e, ssh authorized key INFO alembic.runtime.migration Running upgrade 2d1354bbf76e -> 29affeaa2bc2, rename-bay-master-address INFO alembic.runtime.migration Running upgrade 29affeaa2bc2 -> 2ace4006498, rename-bay-minions-address INFO alembic.runtime.migration Running upgrade 2ace4006498 -> 456126c6c9e9, create baylock table INFO alembic.runtime.migration Running upgrade 456126c6c9e9 -> 4ea34a59a64c, add-discovery-url-to-bay INFO alembic.runtime.migration Running upgrade 4ea34a59a64c -> e772b2598d9, add-container-command INFO alembic.runtime.migration Running upgrade e772b2598d9 -> 2d8657c0cdc, add bay uuid INFO alembic.runtime.migration Running upgrade 2d8657c0cdc -> 4956f03cabad, add cluster distro INFO alembic.runtime.migration Running upgrade 4956f03cabad -> 592131657ca1, Add coe column to BayModel INFO alembic.runtime.migration Running upgrade 592131657ca1 -> 3b6c4c42adb4, Add unique constraints INFO alembic.runtime.migration Running upgrade 3b6c4c42adb4 -> 2b5f24dd95de, rename service port INFO alembic.runtime.migration Running upgrade 2b5f24dd95de -> 59e7664a8ba1, add_container_status INFO alembic.runtime.migration Running upgrade 59e7664a8ba1 -> 156ceb17fb0a, add_bay_status_reason INFO alembic.runtime.migration Running upgrade 156ceb17fb0a -> 1c1ff5e56048, rename_container_image_id INFO alembic.runtime.migration Running upgrade 1c1ff5e56048 -> 53882537ac57, add host column to pod INFO alembic.runtime.migration Running upgrade 53882537ac57 -> 14328d6a57e3, add master count to bay INFO alembic.runtime.migration Running upgrade 14328d6a57e3 -> 421102d1f2d2, create x509keypair table INFO alembic.runtime.migration Running upgrade 421102d1f2d2 -> 6f21dc998bb, Add master_addresses to bay INFO alembic.runtime.migration Running upgrade 6f21dc998bb -> 966a99e70ff, add-proxy INFO alembic.runtime.migration Running upgrade 966a99e70ff -> 6f21dc920bb, Add cert_uuuid to bay INFO alembic.runtime.migration Running upgrade 6f21dc920bb -> 5518af8dbc21, Rename cert_uuid INFO alembic.runtime.migration Running upgrade 5518af8dbc21 -> 4e263f236334, Add registry_enabled INFO alembic.runtime.migration Running upgrade 4e263f236334 -> 3be65537a94a, add_network_driver_baymodel_column INFO alembic.runtime.migration Running upgrade 3be65537a94a -> 1481f5b560dd, add labels column to baymodel table INFO alembic.runtime.migration Running upgrade 1481f5b560dd -> 1d045384b966, add-insecure-baymodel-attr INFO alembic.runtime.migration Running upgrade 1d045384b966 -> 27ad304554e2, adding magnum_service functionality INFO alembic.runtime.migration Running upgrade 27ad304554e2 -> 5ad410481b88, rename-insecure /usr/lib64/python2.7/site-packages/sqlalchemy/util/langhelpers.py:78: SAWarning: An exception has occurred during handling of a previous exception. The previous exception is: <class 'pymysql.err.InternalError'> (3959, u"Check constraint 'baymodel_chk_2' uses column 'insecure', hence column cannot be dropped or renamed.")