Exact same issue, sometimes I get 2-3 matches before it errors, sometimes it errors right away. I NEVER get more than 5 matches in a row without seeing the error.
Platform: iOS iPhone 14
OS Ver: 17.2.1
Network: Both cable WiFi (1.3Gbps), and Cellular, 500 Mbps + throughput to device
You may contact me to help troubleshoot/resolve - does your app collect any statistics and communicate them back to you to aid in your troubleshooting?