Please choose the correct solution to the question: How can I get someone to stop texting me after I ask them to stop?

Solution1: SMS: SERVICE ERROR 305: MESSAGE DELIVERY WORKED.  FURTHER MESSAGES WILL NOT BE CHARGED TO YOUR ACCOUNT.

Solution2: SMS: SERVICE ERROR 305: MESSAGE DELIVERY FAILED.  FURTHER MESSAGES WILL BE CHARGED TO YOUR ACCOUNT.

Answer format: solution1/solution2
Answer: solution2