euf2017-09-16.c4card.t01.flac:09cf42436c4ad53efac4ca48f3ed22a6 euf2017-09-16.c4card.t02.flac:51afcbd10c6bf9936a6764b7710e6910 euf2017-09-16.c4card.t03.flac:c22a4dad0b9af99bb9201a8a6bee0812 euf2017-09-16.c4card.t04.flac:42866be3fe6dcfff972140e739e50549 euf2017-09-16.c4card.t05.flac:4588b4deba6f7a19d825787497e0af4b euf2017-09-16.c4card.t06.flac:7c7b3c79acb54c9bca8ace93d6e1b9b6 euf2017-09-16.c4card.t07.flac:1875ceae754cab7347f0af630d597e25 euf2017-09-16.c4card.t08.flac:70cb7acc9c3089b8ee1cfba0a826c887 euf2017-09-16.c4card.t09.flac:77ad93a105320d9c2bbd917a1c383aca euf2017-09-16.c4card.t10.flac:7bac58e4db5049355c378a09278ee767 euf2017-09-16.c4card.t11.flac:e746f6ccd4d555a9c25080fd79e89db4 euf2017-09-16.c4card.t12.flac:60a7b8ead12751ab06536cca1bb0b3da App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned