Neu-Installationsproblem von Shopware 6.3.5.4 schlägt fehl

Alle Voraussetzungen waren erfüllt.
DB ist eine MariaDB in einer RDS Instanz auf AWS.
DB war eine neue Datenbank ohne Daten.

Error
Received an error message.
URL: importDatabase
Message: Internal Server Error

Please try to fix this error and restart the update.
Response
Slim Application Error
The application could not run because of the following error:

Details
Type: TypeError
Message: preg_replace(): Argument #3 ($subject) must be of type array|string, bool given
File: /usr/local/www/shopware/vendor/shopware/recovery/Common/src/DumpIterator.php
Line: 106
Trace
#0 /usr/local/www/shopware/vendor/shopware/recovery/Common/src/DumpIterator.php(106): preg_replace()
#1 /usr/local/www/shopware/vendor/shopware/recovery/Install/src/app.php(597): Shopware\Recovery\Common\DumpIterator->next()
#2 [internal function]: Closure->{closure}()
#3 /usr/local/www/shopware/vendor/shopware/recovery/Common/vendor/slim/slim/Slim/Handlers/Strategies/RequestResponse.php(40): call_user_func()
#4 /usr/local/www/shopware/vendor/shopware/recovery/Common/vendor/slim/slim/Slim/Route.php(281): Slim\Handlers\Strategies\RequestResponse->__invoke()
#5 /usr/local/www/shopware/vendor/shopware/recovery/Common/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\Route->__invoke()
#6 /usr/local/www/shopware/vendor/shopware/recovery/Common/vendor/slim/slim/Slim/Route.php(268): Slim\Route->callMiddlewareStack()
#7 /usr/local/www/shopware/vendor/shopware/recovery/Common/vendor/slim/slim/Slim/App.php(503): Slim\Route->run()
#8 /usr/local/www/shopware/vendor/shopware/recovery/Install/src/app.php(170): Slim\App->__invoke()
#9 [internal function]: Closure->{closure}()
#10 /usr/local/www/shopware/vendor/shopware/recovery/Common/vendor/slim/slim/Slim/DeferredCallable.php(57): call_user_func_array()
#11 [internal function]: Slim\DeferredCallable->__invoke()
#12 /usr/local/www/shopware/vendor/shopware/recovery/Common/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func()
#13 /usr/local/www/shopware/vendor/shopware/recovery/Common/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\App->Slim{closure}()
#14 /usr/local/www/shopware/vendor/shopware/recovery/Common/vendor/slim/slim/Slim/App.php(392): Slim\App->callMiddlewareStack()
#15 /usr/local/www/shopware/vendor/shopware/recovery/Common/vendor/slim/slim/Slim/App.php(297): Slim\App->process()
#16 /usr/local/www/shopware/vendor/shopware/recovery/Install/index.php(55): Slim\App->run()
#17 /usr/local/www/shopware/public/recovery/install/index.php(6): require_once(’…’)
#18 {main}