Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2a50a7f0f389179155ddd50faa765ad5f4933a60414c364f0edc63d7930d230f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^