Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 90f5d80d48f76892491c4a1e2185b9c8b182ed2dca58c1f7d37634fadef8e684:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^