Drupal 7 PHP 8.4 Exception

Foutmelding: SQLSTATE[HY000] [2002] Connection refused
Bestand: /home/httpd/http/virtualhosts/_drupal_7_standalone/research.flw.ugent.be/includes/database/database.inc (regel 335)

Stack trace:

#0 /home/httpd/http/virtualhosts/_drupal_7_standalone/research.flw.ugent.be/includes/database/database.inc(335): PDO->__construct()
#1 /home/httpd/http/virtualhosts/_drupal_7_standalone/research.flw.ugent.be/includes/database/mysql/database.inc(347): DatabaseConnection->__construct()
#2 /home/httpd/http/virtualhosts/_drupal_7_standalone/research.flw.ugent.be/includes/database/database.inc(1796): DatabaseConnection_mysql->__construct()
#3 /home/httpd/http/virtualhosts/_drupal_7_standalone/research.flw.ugent.be/includes/database/database.inc(1582): Database::openConnection()
#4 /home/httpd/http/virtualhosts/_drupal_7_standalone/research.flw.ugent.be/includes/database/database.inc(2467): Database::getConnection()
#5 /home/httpd/http/virtualhosts/_drupal_7_standalone/research.flw.ugent.be/includes/bootstrap.inc(2256): db_query()
#6 /home/httpd/http/virtualhosts/_drupal_7_standalone/research.flw.ugent.be/includes/bootstrap.inc(2269): drupal_is_denied()
#7 /home/httpd/http/virtualhosts/_drupal_7_standalone/research.flw.ugent.be/includes/bootstrap.inc(2725): drupal_block_denied()
#8 /home/httpd/http/virtualhosts/_drupal_7_standalone/research.flw.ugent.be/includes/bootstrap.inc(2576): _drupal_bootstrap_page_cache()
#9 /home/httpd/http/virtualhosts/_drupal_7_standalone/research.flw.ugent.be/index.php(24): drupal_bootstrap()
#10 {main}