You do NOT have to pay the fine.
All my comments here are intended for general legal purposes. None of my comments here establish an attorney-client relationship with anyone. None of my comments should be relied on in taking legal action without first consulting an attorney.
You don't have to pay any amounts that Walgreen's seeks to collect. If the Court imposes a fine you can work out a payment plan but what you have received from Walgreen's is not court ordered.