Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fa1594dc967e4eda299f309de40f58a17cb0c1bbcd8bf856ff33ebe3687c248b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^