Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d3da07028c07af15cdc576707c075f09699a1ceb6418197437ab8a3bdec39e21:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^