0aa4c8430acf0a3d73d58a7a00bd3f7c *ele00-08-19d4t1.shn 563d90a6b53da4e477d352158ad8531c *ele00-08-19d4t2.shn 3f54701847379945bd747adb5953c7a8 *ele00-08-19d4t3.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned