Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 71b9634d26d4f475837d5c3df241998a6c4896362b8ec8ecf2f4bf320e361770:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^