after downloading pdf it is not opening getting error "can not display pdf (label.pdf is of invalid format)"

Below is how i am requesting the pdf download i am not directly putting pdf link i am just giving the url which return pdf download

Pdf is getting downloaded but it is not the correct one. Please help me in this

_setHeaders() => {
'Authorization' : 'Bearer $token',
'Content-Type' : "application/pdf",
'Accept' : '*/*',
'Content-disposition': "attachment",

};
final id = await FlutterDownloader.enqueue(
url: "https://domain.com/api/v1/label_generate/24704",
headers: _setHeaders(),
savedDir: "/storage/emulated/0/Download",
fileName: "label.pdf",

showNotification: true,
openFileFromNotification: true,

);

Start by reproducing the FlutterDownloader.enqueue request to https://domain.com/api/v1/label_generate/24704 with the shown headers and inspect the downloaded label.pdf. Confirm whether the saved file contains a valid PDF response and document the cause or required request handling so the downloaded label opens successfully.

Written by the indexing model from the issue text.