Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fa83969642e5a2ecddcd777f9336ad51c97efafa8a106390723cdce40318fe26:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^