750c8326136b12899b46dea35aa322ec *slip01-03-30d3t02.shn 6fb9661e6a2bf555b5aba719599a4ba0 *slip01-03-30d3t01.shn bd51e8520fc52ed29ecc98795ef6b06f *slip01-03-30d3t03.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned