52060379f9eed3c58f3e3c263e401771 *LL2002-11-20d2t01.shn 26ca71d2cb9a8094bae32936018adeff *LL2002-11-20d2t02.shn 6dfb471683fdef5a0b0434501bdef854 *LL2002-11-20d2t03.shn f62b0ff4b22357d819c82f23d9f4961e *LL2002-11-20d2t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned