Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e54376363905253187451bf00d5de708f6fd2f8e65171661a6b31debd0cca558:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^