d11738c797f022afb584e837911fe0ea *sci00-10-19d3t1.shn b9a56ecd2deec004d64ca4b90e75d038 *sci00-10-19d3t2.shn 7d454796cc9d91da797cfa4f9c90aa48 *sci00-10-19d3t3.shn 4b5e1fa04e54065696fcfd466e8eddf5 *sci00-10-19d3t4.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned