You didn't say the magic word.
5 seconds sound clip from the Jurassic Park (1993) movie soundboard.
You can hear this line at 01:00:02 in the Blu-ray version of the movie.
Quote context
[...]
- Why the hell would he turn the other ones off?
- You didn't say the magic word.
- Please! God damn it. I hate this hacker crap.
- Phone Nedry's people in Cambridge.
- Where did the vehicles stop?
[...]