Bootstrap Error

Expression #16 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'db_book_library.book_stock.quantity' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by

File: /var/www/perpus/vendor/codeigniter4/framework/system/Database/BaseConnection.php:863

#0 /var/www/perpus/vendor/codeigniter4/framework/system/Database/BaseBuilder.php(1731): CodeIgniter\Database\BaseConnection->query()
#1 /var/www/perpus/vendor/codeigniter4/framework/system/Model.php(525): CodeIgniter\Database\BaseBuilder->countAllResults()
#2 /var/www/perpus/vendor/codeigniter4/framework/system/BaseModel.php(1333): CodeIgniter\Model->countAllResults()
#3 /var/www/perpus/app/Controllers/Home.php(47): CodeIgniter\BaseModel->paginate()
#4 /var/www/perpus/vendor/codeigniter4/framework/system/CodeIgniter.php(974): App\Controllers\Home->index()
#5 /var/www/perpus/vendor/codeigniter4/framework/system/CodeIgniter.php(520): CodeIgniter\CodeIgniter->runController()
#6 /var/www/perpus/vendor/codeigniter4/framework/system/CodeIgniter.php(363): CodeIgniter\CodeIgniter->handleRequest()
#7 /var/www/perpus/vendor/codeigniter4/framework/system/Boot.php(417): CodeIgniter\CodeIgniter->run()
#8 /var/www/perpus/vendor/codeigniter4/framework/system/Boot.php(68): CodeIgniter\Boot::runCodeIgniter()
#9 /var/www/perpus/public/index.php(95): CodeIgniter\Boot::bootWeb()
#10 {main}