fa575fc1d005b625c1f0f3a62d14976f *db00-3-11d2t02.shn d53e8a3e57879b3a3d52511dba50ff1c *db00-3-11d2t01.shn 5a2c04bd882e2011473d9265042ad9e0 *db00-3-11d2t03.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned