2efcf665ed01cb6a4f16c507c38fab7f *um2001-10-31d2t01.shn 089f26ca1a26ee8f8bef427bb86cfaea *um2001-10-31d2t02.shn 545c4b37c4eca036b1cb5ee46b74f23e *um2001-10-31d2t03.shn eb53466cd8c8a5206100a636d601b76d *um2001-10-31d2t04.shn 81734f53b256095ba86044cd506401e1 *um2001-10-31d2t05.shn 9e4820cdb9b1558ba676b21a99add93c *um2001-10-31d2t06.shn f43f2f719511ff6e60abf6b394d8a2d9 *um2001-10-31d2t07.shn d5b0627c283caea8678b95b475d60e57 *um2001-10-31d2t08.shn 7bd2b4e77eb9011c0d5fb9962ce64621 *um2001-10-31d2t09.shn 7773d053661ad89afc1b22b1cba8f0f4 *um2001-10-31d2t10.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned