I had a same problem with Fated to Love You. Autumn's Concerto is similar when it comes to misunderstandings but I think is much better.
The Vineyard Man Very nice drama
City Hall one of my favorites
Master's Sun fun, and great chemistry between the leads.
Oh! My Lady relaxing and fun, adorable little girl
The King of Dramas Very interesting characters. Main actor is amazing and actress is also great. This drama is underrated in my opinion. One of the rare I would watch again.
Lovers, amazing chemistry between the leads, witty dialog,
My Name is Kim Sam Soon funny and yummy in so many ways. :D
What's Up Fox? older female younger male with two leads actually having good chemistry.
Material Queen Taiwanese drama, I don't remember having a huge misunderstanding that lasted through all episodes. There was one at the beginning but it gets resolved fairly quickly.
I forgot to add Japaneses dramas. They don't have lots of misunderstandings.
Atashinchi no Danshi very fun
Last Cinderella older female younger male one of the best of this type.
Love Shuffle interesting and a bit unusual in a good way.
Rich Man, Poor Woman great characters and amazing acting.