0226aaefa75f69c71cc4de8569693f96 *sci2000-6-30d3t1.shn 186968795433dae191229502aa8f4dd9 *sci2000-6-30d3t2.shn 403e6394fa586331a452c918d52cba86 *sci2000-6-30d3t3.shn 52be6e824e6e999328edf970452c3317 *sci2000-6-30d3t4.shn 332dc3aef2f74a22c02df2d7df1807fe *sci2000-6-30d3t5.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned