Using WP-CLI
If you see an empty ROLES then it is
wp user list
+----+------------+--------------+--------------------------------+---------------------+---------------+ | ID | user_login | display_name | user_email | user_registered | roles | +----+------------+--------------+--------------------------------+---------------------+---------------+ | 1 | admin1 | admin1 | [email protected] | 2018-06-19 17:00:02 | | +----+------------+--------------+--------------------------------+---------------------+---------------+
So add admin right for this user:
wp user set-role 1 administrator
Check it, should be good now:
wp user list
+----+------------+--------------+--------------------------------+---------------------+---------------+ | ID | user_login | display_name | user_email | user_registered | roles | +----+------------+--------------+--------------------------------+---------------------+---------------+ | 1 | admin1 | admin1 | [email protected] | 2018-06-19 17:00:02 | administrator | +----+------------+--------------+--------------------------------+---------------------+---------------+