Erro: SQLSTATE[HY000] [2002] Cannot assign requested address

Onde: conexao(),
Query: ,
Quando: 25/05/22 09:05:38.
Erro: SQLSTATE[HY000] [2002] Cannot assign requested address

Onde: conexao(),
Query: ,
Quando: 25/05/22 09:05:38.
Erro: SQLSTATE[HY000] [2002] Cannot assign requested address

Onde: conexao(),
Query: ,
Quando: 25/05/22 09:05:38.
Erro: SQLSTATE[HY000] [2002] Cannot assign requested address

Onde: conexao(),
Query: ,
Quando: 25/05/22 09:05:38.

Fatal error: Uncaught Error: Call to a member function query() on null in /home/imp/www/classes/class_facDB.php:326 Stack trace: #0 /home/imp/www/classes/class_empresa.php(33): facDB->consulta('fac06001', Array, Array) #1 /home/imp/www/classes/class_empresa.php(9): empresa->buscaInformacoesEmpresa() #2 /home/imp/www/css/css.php(8): empresa->__construct() #3 /home/imp/www/index.php(11): require_once('/home/imp/www/c...') #4 {main} thrown in /home/imp/www/classes/class_facDB.php on line 326