Table 'performance_schema.session_variables' doesn't exist

Question

After upgrading MySQL to 5.7.8-rc and loging to server I got error:

Table \'performance_schema.session_variables\' doesn\'t exist

I can\'t

Answer 1

I was able to log on to the mysql server after running the command @robregonm suggested:

mysql_upgrade -u root -p --force

A MySQL server restart is required.