Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7df748c1e64a66f2f303bc7409eece4430d8fc5763bb011a4cdcc92eae270fb2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^