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[Vahab (Vahab Ahmadvand)]

I found that you should edit your post and add a Question tag, then the solution button will appear!
Here is the link to the solution

How do we mark a discussion as solved?

You have to start the post as a question. Then the solution button will appear. Once the solution button has been clicked, it disappears. [image] It is possible to change the post to a question after it has been posted. [image]