Try to buy ticket for Sol Gabetta for 05/12. When I push the 'purchase' button, get message that CV is invalid. Happen with all my cards. What do I do next?? Please help.

or Amex is 4 digits on the front of the card

Make sure to enter the 3 digit security code an the back of your card(cv) or call the box office and order by phone.

Pay your cc bills

Call lc

Call Lincoln Center

Have you're credit card company change your password.

Try and call them up, they're usually very helpful