Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f15b9d5bc2e702ecfcf9e318f4635979fd9ba51cf87280eaf924e8feeea13e0b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^