POST FROM /LOGIN APPLICATION/JSON TO POST /sns/endpoint text/plain

No matching routes for POST /sns/endpoint with text/plain content type. No 404 catcher registered. Using the Rocket default.

I am currently new to all of this AWS stuff, so any help or guidance will be vastly appreciated.

I am using Rust Rocket, Rust Diesel, Angular, and Docker. The AWS services I am utilizing include EC2, Task, and Route 53. Currently, the website is able to open the first page with no problem. However, when I make an HTTP request, it seems like the HTTP data is getting changed, and I have no clue why.

I appreciate anyone who will take some time out of their day to help or provide ideas. Thank you.