Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 80f2a72165d12aae83239e97e5d6f0b8dbdc74b8f15987d1eae19d82714c548d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^