Failed to create a test table on your MySQL database server with the command
CREATE TABLE drupal_install_test (id int NULL). MySQL reports the following message:
Table 'drupal_install_test' already exists.
- Are you sure the configured username has the necessary MySQL permissions to create tables in the database?
For more help, see the
Installation and upgrading handbook. If you are unsure what these terms mean you should probably contact your hosting provider.