309ce1c8bf0aaadd16219963becfdb82 *db1999-01-19d1t01.shn d17f91a22a2c37a5b02b8d55718e63c3 *db1999-01-19d1t02.shn 00f99a1d10414fc89ee86cae69cad87e *db1999-01-19d1t03.shn 762fd8a8b78426330d7ec4153e38344c *db1999-01-19d1t04.shn e59010ac342861bdb280f896c321b945 *db1999-01-19d1t05.shn b0becd02ec35fe5c834595eca4b26634 *db1999-01-19d1t06.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned