9a8162a894434b9efe6949ac9acc3fef bt1992-08-05d3t01.shn a2790be4d51b6f6f38c007dcbaa2808c bt1992-08-05d3t02.shn 46f25df6f3a49079cec8554d12c1b5fe bt1992-08-05d3t03.shn d36baee71ab416c030fcb9cffe4c7820 bt1992-08-05d3t04.shn 4b4d08d7bac7e9b34c6a0c5c205bcb4e bt1992-08-05d3t05.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned