e671b8fc91ce5be1a0a4a2e8696eb39a *PO_01-06-20d3t01.shn 43fb06304b7f39d862a7c101c9188b43 *PO_01-06-20d3t02.shn 9eb45a1ef727b908fab5c17176c91746 *PO_01-06-20d3t03.shn 1a69c09313507d34e5292961e9f90c08 *PO_01-06-20d3t04.shn ddf8105bd52a08becd0ed9e724a8180e *PO_01-06-20d3t05.shn 3711785fddd107fa5310a67d816ccc73 *PO_01-06-20d3t06.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned