All
From Anecdotes about Eighteen Century Authors

Pope's charitable explanation (Spence, Anecdotes, i. 96) was that `Lord Oxford was huddled in his thoughts, and obscure in his manner of delivering them'; but he had also been drinking heavily in the later years of Queen Anne's reign, and quite possibly had no idea what Rowe was taking about.

Note from Nicholas Rowe, from Literary Anecdotes