Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 66cc3266017cb770e2f4ea0b229c4a3615eeed0e41d0d17364ab058e1d570acb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^