<h2> observer MySQL Error</h2> Access denied for user 'USERNAME'@'localhosr ' (using password: YES)
for me the below mysql table creation and access giving was successful. I used below command
mysql -u root -p
<mysql root password>
mysql> CREATE DATABASE observium;
mysql> GRANT ALL PRIVILEGES ON observium.* TO 'observium'@'localhost'
-> IDENTIFIED BY '<observium db password>';