Bug Report for sql-customers-with-positive-revenue

Bug Report for https://neetcode.io/problems/sql-customers-with-positive-revenue

Please describe the bug below and include any steps to reproduce the bug or screenshots if possible.

hmmmm. cannot submit a solution. 504 means its something server side? 

<img width="1626" height="852" alt="Image" src="https://github.com/user-attachments/assets/ade1dc5a-e545-43cc-a8a5-fc6e38cf26c6" />