aa7d9438c2cf519d277da685c04fb73a [shntool] db1999-03-06d1t01.shn b5828f2b417b90fa8f428ef4cb673ef3 [shntool] db1999-03-06d1t02.shn 505d56a8e20a6a6422160e14b9535cc9 [shntool] db1999-03-06d1t03.shn fbbf8d3ac320870fa0acc17be3a6efef [shntool] db1999-03-06d1t04.shn 19ebe11fe615f46e99781229169c3653 [shntool] db1999-03-06d2t01.shn c802dcf28326f42446331c03db45d900 [shntool] db1999-03-06d2t02.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned