01bb9b08ea18ca79f7f1afc0957b2916 *db2002-04-11d1t02.shn 5ebecb5365b61e0174f8404c7ccd908e *db2002-04-11d1t01.shn 6c5783a90b18f4e26ebabd53177c02cb *db2002-04-11d1t03.shn a5b72791276b1fddd35eea2bc6aad97d *db2002-04-11d1t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned