331ebe47b3280298d097390dba1840cf *skb2003-02-15d1t01.shn a9ad4d22a604fc76d9f3ef1b94b70546 *skb2003-02-15d1t05.shn c137f1ee83d713e03e34240313eaaf30 *skb2003-02-15d1t04.shn 48e490ed303b3d247350f79227afb183 *skb2003-02-15d1t02.shn 1fde6c95fa0d3939b882c52f867e8f32 *skb2003-02-15d1t03.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned