Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b5f151228431a1f4eeca8bbacc4eb59813d7672172f12c858f9ae5d0ddd661b6:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^