Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 89a5c1c22a284243372deef329e13b682ec1e03d7b8cc71e918d9c9d740c5b28:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^