Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 66c5b8b87012d13178b4354c689257a428d9255c9e66b01063371f0fac55eb88:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^