3de3c1f769c8fab011ba5069a5b18e95 *db1999-09-28d2t01.shn 19fb9688d7eed3339b0d06b9e5d67f9b *db1999-09-28d2t02.shn ae7e2a5a31840acdda4c68d71a9276cc *db1999-09-28d2t03.shn d633f8af8405f78d6cd9a5dde915745c *db1999-09-28d2t04.shn 477c0682cbd914d0be088a7b5f7747f7 *db1999-09-28d2t05.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned