Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dafe1c2dd39514d5799001ff764ce2c0c63e219416b24d74f098cb7fe3d81d30:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^