Can't join Wi-Fi and broadcast Access Point simultainiously

Help
1

If I Enable the WAN WiFi to connect to a hot spot and share internet the moment I save I lose connection to the Master Access Point. This happens on both frequencies and the other is still available.

2

Reference: Client and master wireless interfaces need to be on the same channel on Slate and Flint routers · Issue #172 · SmoothWAN/SmoothWAN (github.com)