Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3b8e72731048e7f079f3fe7bb23b16a106217d730b3b5e53fa068424d3f9060b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^