Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7bead7f728c465fd01984e80d1ea47454d1b5f89903e8490a30cc01647ed77cb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^