Random text generator

Fatal error: Uncaught mysqli_sql_exception: Unknown database 'similarj_country' in /home/iotools/public_html/cdb_a0Rc41Yv9.php:4 Stack trace: #0 /home/iotools/public_html/cdb_a0Rc41Yv9.php(4): mysqli_connect() #1 /home/iotools/public_html/text/random-text/random_text.php(3): require('...') #2 /home/iotools/public_html/text/random-text-generator.php(2): include('...') #3 /home/iotools/public_html/index.php(154): require('...') #4 {main} thrown in /home/iotools/public_html/cdb_a0Rc41Yv9.php on line 4