7ac841dc3c9c9a9eaaca3cc1411152ab *fffb2001-12-31d1t01.shn b45ccf4786974e763acea622721d670a *fffb2001-12-31d1t02.shn e2c11fa9ee56c7f8f08bbdcab0f2d2ae *fffb2001-12-31d1t03.shn 9a66093a495ab54c2b005e2bee24c066 *fffb2001-12-31d1t04.shn 57db0864b6391febd65432c51f3163ea *fffb2001-12-31d1t05.shn 7dc0a92218883f1e883059a7a4c36afc *fffb2001-12-31d1t06.shn b45c76464b5b06dd336668955446784c *fffb2001-12-31d1t07.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned