Slim Application Error

The application could not run because of the following error:

Details

Type: PDOException

Code: 2002

Message: SQLSTATE[HY000] [2002] No such file or directory

File: /home/p-wc9u3w/html/thanksdoc_source/src/myapp/tools/db/DbHandler.php

Line: 108

Trace

#0 /home/p-wc9u3w/html/thanksdoc_source/src/myapp/tools/db/DbHandler.php(108): PDO->__construct('mysql:host=;dbn...', NULL, Object(SensitiveParameterValue), Array)
#1 /home/p-wc9u3w/html/thanksdoc_source/src/myapp/tools/db/DbHandler.php(363): App\myapp\tools\db\DbHandler->setConnection('default')
#2 /home/p-wc9u3w/html/thanksdoc_source/src/Middleware/GuestTrackingMiddleware.php(80): App\myapp\tools\db\DbHandler->insertOne(Array, 'api_guests', 'default', false)
#3 /home/p-wc9u3w/html/thanksdoc_source/vendor/slim/slim/Slim/MiddlewareDispatcher.php(129): App\Middleware\GuestTrackingMiddleware->process(Object(Slim\Psr7\Request), Object(Psr\Http\Server\RequestHandlerInterface@anonymous))
#4 /home/p-wc9u3w/html/thanksdoc_source/vendor/slim/slim/Slim/Middleware/ErrorMiddleware.php(77): Psr\Http\Server\RequestHandlerInterface@anonymous->handle(Object(Slim\Psr7\Request))
#5 /home/p-wc9u3w/html/thanksdoc_source/vendor/slim/slim/Slim/MiddlewareDispatcher.php(129): Slim\Middleware\ErrorMiddleware->process(Object(Slim\Psr7\Request), Object(Psr\Http\Server\RequestHandlerInterface@anonymous))
#6 /home/p-wc9u3w/html/thanksdoc_source/src/Middleware/CorsMiddleware.php(8): Psr\Http\Server\RequestHandlerInterface@anonymous->handle(Object(Slim\Psr7\Request))
#7 /home/p-wc9u3w/html/thanksdoc_source/vendor/slim/slim/Slim/MiddlewareDispatcher.php(280): App\Middleware\CorsMiddleware->__invoke(Object(Slim\Psr7\Request), Object(Psr\Http\Server\RequestHandlerInterface@anonymous))
#8 /home/p-wc9u3w/html/thanksdoc_source/vendor/slim/slim/Slim/MiddlewareDispatcher.php(73): Psr\Http\Server\RequestHandlerInterface@anonymous->handle(Object(Slim\Psr7\Request))
#9 /home/p-wc9u3w/html/thanksdoc_source/vendor/slim/slim/Slim/App.php(209): Slim\MiddlewareDispatcher->handle(Object(Slim\Psr7\Request))
#10 /home/p-wc9u3w/html/thanksdoc_source/vendor/slim/slim/Slim/App.php(193): Slim\App->handle(Object(Slim\Psr7\Request))
#11 /home/p-wc9u3w/html/thanksdoc_source/public/index.php(62): Slim\App->run()
#12 {main}