If you’re just getting started, i highly recommend you run the newest firmware and the Float Package, rather than the Balance app and those configs, so you don’t have to worry about re-learning everything when you inevitably update in the future: How to Update to VESC FW 6 / VESC Tool 6
As for this issue, your IMU Rotation Yaw is incorrect, it needs to be offset by 90° from the current value. If youre running a Little FOCer v3.1 in a FlowGlider enclosure, IMU Rotation Yaw should be set to 90°. For more info on troubleshooting this, check out the part of my IMU Wizard guide where I cover exactly this, starting at 3:56