b48d0e4d300e84ce609dd98a85711828 *db00-05-20d1t1.shn 96db6967d0d8398f6f5cf986ed19aba7 *db00-05-20d1t2.shn 162f6a234cf6c7530fef3a1a13c09782 *db00-05-20d1t3.shn 3ac9500b8435ef3988fb2490d93dc32b *db00-05-20d1t4.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned