Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4cf38848335082836840e58fe0be6024a8da214a1824644bf0dccc4ab06348bc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^