Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 28e344fea4997510014d560cba5cb425a31ed1ab808cacbab6b9345e74afe101:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^