Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fa833ec181813c3e7d38e01b1e97b2cb8d6f37532fbca7325b9dc3433416f6e6:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^