Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 20bec01677cce31b9a28d9df03971cac1f13a762ada03eb11ffdd0ac8a4ba951:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^