unrecognized token: "\" in sqlite

i was running my codes and i received this error

[Doctrine\DBAL\Exception\DriverException]

An exception occurred while executing 'ALTER TABLE

ImportGenius\Entities\SQLite\TradeBase\UnitedStates\UnitedStatesImporterIndex RENAME TO ImportGenius\Entities\SQLite\TradeBa

se\UnitedStates\UnitedStatesImporterIndexTemp_2,

ImportGenius\Entities\SQLite\TradeBase\UnitedStates\UnitedStatesImporterIndexTemp RENAME TO ImportGenius\Entities\SQLite\Tra

deBase\UnitedStates\UnitedStatesImporterIndex

':

SQLSTATE[HY000]: General error: 1 unrecognized token: "\"

This is my codes:

private function switchTable(Connection $connection, $primaryTableName, $tempTableName)
{
    $secondaryTempTableName = $tempTableName.'_2';
    $rawSqlQuery = "ALTER TABLE 
            {$primaryTableName} RENAME TO {$secondaryTempTableName},
            {$tempTableName} RENAME TO {$primaryTableName}
            ";

    $stmt = $connection->prepare($rawSqlQuery);
    $stmt->execute();
}