ee2bc352e56c08644bc6fddd6e4e5243 *gd69-04-20pt1.shn 122430e3c2075b6bc8fda59588095752 *gd69-04-20pt3.shn e0a7556d694060103a9431c381af72bf *gd69-04-20pt4.shn c45b866d3a41f2fabbd2d2e87cc8b1d6 *gd69-04-20pt2.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned