The project with asio in QTCreator does not compile, what could be the reason and how to solve it?

Question

C++ / C#

I installed boost version 1_67.
I'm trying to compile this code:

In response, I get a bunch of errors, they can be seen below, including "collect2.exe:-1: error: error: ld returned 1 exit status" .
Here are the project settings:

Help please.
If you need to throw something off to resolve the issue, I'll throw it off.

Answer 1

-lboost-date-…, without lib.