dd6bfb5dada0a7731d8fa70e55c92411 *sch2001-07-20d2t01.shn 8f7a9b1ca3bc5405effe645f2c265bd3 *sch2001-07-20d2t02.shn f2c0b51a56c492f17006287d40bf52ee *sch2001-07-20d2t03.shn 477fb6fbc202e920fd0f77be6f581585 *sch2001-07-20d2t04.shn 5fa5ca865cb3d84561cd0c72b707fa90 *sch2001-07-20d2t05.shn 1ff6779be932f674eba777509a332c02 *sch2001-07-20d2t06.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned