I told him not to go, but he's faulty, malfunctioning. Kept babbling on about his mission.
7 seconds sound clip from the Star Wars: Episode IV - A New Hope (1977) movie soundboard.
You can hear this line at 00:26:24 in the Blu-ray version of the movie.
Quote context
[...]
- I'll make it up to him next year. I promise.
- Luke's just not a farmer, Owen. He has too much of his father in him. That's what I'm afraid of.
- Ooh!
- What are you doing hiding back there?
- It wasn't my fault, sir. Please don't deactivate me.
- I told him not to go, but he's faulty, malfunctioning. Kept babbling on about his mission.
- Oh, no.
- That R2 unit has always been a problem.
- These astro droids are getting quite out of hand. Even I can't understand their logic at times.
- How could I be so stupid? He's nowhere in sight. Blast it!
- Pardon me, sir, but couldn't we go after him?
[...]