Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4683d303abe017ba313d90cae25a7f93cd7f0f94d23a26058ce3fee7ec599e65:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^