Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a9c7c9aa791f5be74375c99fa645e72b329f0e9cfa9c9190f708920ba8c16743:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^