could not find driver (SQL: select * from `sessions` where `id` = code example
Example: could not find driver (SQL: SHOW FULL TABLES WHERE table_type = 'BASE TABLE')
You might need to comment out the following in your php.ini file.
;extension=pdo_mysql.so
############# OR ##############
Other solution might be you may have a missing dependency
If you can, run :
composer update
composer require doctrine/dbal