154ff14b405bc0d5912ab0e0d31b71d3 *pmg1980-07-08-maap1-d1t01.shn 7dc8cca2ed21d923228a7dee390441aa *pmg1980-07-08-maap1-d1t02.shn 70dfe3bf3d3eb0442e15d9e18ce2dd19 *pmg1980-07-08-maap1-d1t03.shn 55aef3b6cc0f2a4b9806a4a76305b70b *pmg1980-07-08-maap1-d1t04.shn cc2ecc2aa9b79aea8a6c18214b2ea19e *pmg1980-07-08-maap1-d1t05.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned