Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ec1565b9da7da0bc7aca47545ff7d83e55f4347d464dff92aaa1f125d48f9c3c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^