Switched from HTTP to HTTPS, now some are not being sent.pdf files

Hello everyone.
Switched from HTTP to HTTPS, now some are not being sent .pdf files, writes error- There was a problem uploading your files.
Some of the pdf files are sent correctly, and some are not
We log in to the MM server via HTTP - the files are sent.
What could be the problem?
Version server MM - 10.8.1
Version MM desctop - 5.12.0
Database - postgres

Out of the interesting stuff. Converted the pdf file into another pdf file on the website https://www.ilovepdf.com the file has started to be sent…
The first file that is not being sent weighs 1.16Mb
The second file is 279Kb

In tinctures of MM, there is a file upload limit of up to 10Gb.

I’ve solved the problem! It turns out nginx blocks sending files above 1 MB.

Here it is indicated that there should be a line in the nginx.conf
client_max_body_size 10240M; # I set it to 10Gb
Let’s leave the topic in the history of the Internet, maybe someone will need a solution.

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