Each of the following quotations contains a grammatical error; can you spot it?

1. This process is one of several that is required to maintain nuclear SREBP1-c at very low levels…

2. A study designed by Drs. Liu and Clarke is one of several that is slated to be included in the pilot run.

3. Steve Wozniak Is One Of The Few People Who Has Met The Kimye Baby

4. Henry [Kissinger] is one of the few who has the trust of the keepers of the secrets.