Patrick Maclellan of Bombie (d. c. 1452) Sheriff of Galloway, then the head of his family, the Clan MacLellan, and a staunch royalist declined an invitation to join William Douglas, 8th Earl of Douglas, along with the Earls of Ross and Crawford and Ormond in a powerful alliance against the young King James II of Scotland.

Based on the paragraph above can we conclude that "Maclellan never had disagreements with the the King"?
It's impossible to say