Server error when fetching search index

Sentry Issue: FOODSHARINGDE-BETA-BACKEND-1CT

PDOException: SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'CONCAT("\"",region.name,"\";\"",IFNULL(mailbox.name, ""),"\";\"",parent.name,...' at line 13
  File "/src/Modules/Core/Database.php", line 659, in Foodsharing\Modules\Core\Database::preparedQuery
    return $statement->executeQuery();
  File "/src/Modules/Core/Database.php", line 441, in Foodsharing\Modules\Core\Database::fetchAll
    $out = $this->preparedQuery($query, $params)->fetchAllAssociative();
  File "/src/Modules/Search/SearchGateway.php", line 234, in Foodsharing\Modules\Search\SearchGateway::getWorkingGroupsForSearchIndex
    [$foodsaverId, $foodsaverId, $foodsaverId]);
  File "/src/Modules/Search/SearchTransactions.php", line 101, in Foodsharing\Modules\Search\SearchTransactions::searchIndex
    $result->workingGroups = $this->searchGateway->getWorkingGroupsForSearchIndex($foodsaverId);
  File "/src/RestApi/SearchRestController.php", line 119, in Foodsharing\RestApi\SearchRestController::searchIndex
    $results = $this->searchTransactions->searchIndex();
...
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Doctrine\DBAL\Driver\PDO\Exception: SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'CONCAT("\"",region.name,"\";\"",IFNULL(mailbox.name, ""),"\";\"",parent.name,...' at line 13
  File "/src/Modules/Core/Database.php", line 659, in Foodsharing\Modules\Core\Database::preparedQuery
    return $statement->executeQuery();
  File "/src/Modules/Core/Database.php", line 441, in Foodsharing\Modules\Core\Database::fetchAll
    $out = $this->preparedQuery($query, $params)->fetchAllAssociative();
  File "/src/Modules/Search/SearchGateway.php", line 234, in Foodsharing\Modules\Search\SearchGateway::getWorkingGroupsForSearchIndex
    [$foodsaverId, $foodsaverId, $foodsaverId]);
  File "/src/Modules/Search/SearchTransactions.php", line 101, in Foodsharing\Modules\Search\SearchTransactions::searchIndex
    $result->workingGroups = $this->searchGateway->getWorkingGroupsForSearchIndex($foodsaverId);
  File "/src/RestApi/SearchRestController.php", line 119, in Foodsharing\RestApi\SearchRestController::searchIndex
    $results = $this->searchTransactions->searchIndex();
...
(10 additional frame(s) were not displayed)

Doctrine\DBAL\Exception\SyntaxErrorException: An exception occurred while executing a query: SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'CONCAT("\"",region.name,"\";\"",IFNULL(mailbox.name, ""),"\";\"",parent.name,...' at line 13
  File "/src/Modules/Core/Database.php", line 659, in Foodsharing\Modules\Core\Database::preparedQuery
    return $statement->executeQuery();
  File "/src/Modules/Core/Database.php", line 441, in Foodsharing\Modules\Core\Database::fetchAll
    $out = $this->preparedQuery($query, $params)->fetchAllAssociative();
  File "/src/Modules/Search/SearchGateway.php", line 234, in Foodsharing\Modules\Search\SearchGateway::getWorkingGroupsForSearchIndex
    [$foodsaverId, $foodsaverId, $foodsaverId]);
  File "/src/Modules/Search/SearchTransactions.php", line 101, in Foodsharing\Modules\Search\SearchTransactions::searchIndex
    $result->workingGroups = $this->searchGateway->getWorkingGroupsForSearchIndex($foodsaverId);
  File "/src/RestApi/SearchRestController.php", line 119, in Foodsharing\RestApi\SearchRestController::searchIndex
    $results = $this->searchTransactions->searchIndex();
...
(9 additional frame(s) were not displayed)