You have not stated if this situation was present since you first installed or if it only recently started after an update or some other changes you made.
Did you also perform this step from the post you linked:
You should also ensure your regulatory domain is set correctly. Search for that procedure on the Arch Wiki.
I am not sure how much we can help you as the information you provide is sporadic and incomplete. This usually leads to an immense amount of time wastage and no resolution.
Is this a typo ^^^
You are supposed to set the connection to store the password unencrypted.
Please answer all questions that I’ve edited into my post in full if you wish assistance.