Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 31b76f9ab6dc53bbe609202015f7589ac25a65dfa259bc8ec2076c8d19437bb0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^