Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d167c1729fa32e7d797fd05877cc3a11d16cbf33c76fbd93e2fc2e3b443987c7:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^