Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 50bacb60892b11c291fede38ada2f1ad8635e50a183e7bc64a173b318dc2e772:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^