Answer:
Yes. There is an agreement error between 'anyone' (a singular pronoun) and 'their' (a plural pronoun).
Explanation:
Some ways to fix the error ....
After <em><u>anyone</u></em> eats Yzma's famous chili, <em><u>he or she swears</u></em> to never try another kind.
OR
After <u><em>people</em></u> eat Yzma's famous chili, <em><u>they swear </u></em>to never try another kind.
By the way, there is another error in the sentence !!!!!!
NO: 'to never try'
YES: 'never to try'
To try to persuade someone to do something based on the fact that "everyone's
doing it"
B. She's going to buy a dollars worth of food from the vending machine.
