baf26e3a1d27ee34ca7d3f79d728b65b *los1997-09-06_km140s_d3t01.shn f7469d527a27d7dcac812c7f2ebd9be5 *los1997-09-06_km140s_d3t02.shn 43f3f8aeafed9ce63efa23f6ae1a4006 *los1997-09-06_km140s_d3t03.shn ad88541551fda54465e523409e9cf74b *los1997-09-06_km140s_d3t04.shn App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned