Error

SQLSTATE[42S22]: Column not found: 1054 Unknown column 'slug' in 'SELECT'

#0 /home/jaonclou/public_html/afnid.org.ng/src/config/database.php(74): PDOStatement->execute(Array)
#1 /home/jaonclou/public_html/afnid.org.ng/src/config/database.php(102): Database->query('SELECT id, name...', Array)
#2 /home/jaonclou/public_html/afnid.org.ng/src/controllers/SitemapController.php(388): Database->fetchAll('SELECT id, name...')
#3 /home/jaonclou/public_html/afnid.org.ng/src/controllers/SitemapController.php(143): SitemapController->getCategoriesUrls(Object(Database), 'https://afnid.o...', 1)
#4 /home/jaonclou/public_html/afnid.org.ng/src/controllers/SitemapController.php(115): SitemapController->showTypePage('categories', 1)
#5 /home/jaonclou/public_html/afnid.org.ng/public/index.php(300): SitemapController->showType('categories')
#6 /home/jaonclou/public_html/afnid.org.ng/public/index.php(269): callHandler('SitemapControll...', Array)
#7 /home/jaonclou/public_html/afnid.org.ng/public/index.php(366): dispatch()
#8 {main}