Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 70844a2da808ebc0dcebb41bfe51e42d43f151db0f406be2920ab0a03fbaa4cf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^