Quality issues with Design Bros Dresden product

The situation with Design Bros Dresden has gotten worse. Now they're claiming I never purchased the technical support package, despite me providing the receipt and reference number REF-30B791A8 multiple times.

Dear valued customer, Thank you for your complaint regarding the subscription box you purchased on April 30, 2025. At Design Bros Dresden, customer satisfaction is our top priority, and we take all feedback seriously. We have thoroughly investigated your case and have identified the source of the issue you experienced. We would like to offer you the following resolution options: 1. A full refund of $187.74 2. A replacement subscription box with an extended warranty 3. A store credit of $187.74 plus 20% for your inconvenience Please let us know which option would best satisfy your concerns by responding to this message or calling our dedicated customer resolution line at 1-800-555-1234, reference number REF-30B791A8. We value your business and hope to restore your confidence in our company. Best regards, James Lewis Quality Assurance Manager Design Bros Dresden