Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f03d68484a67a64d56b9da03ec2fbfd8b3cef1e8aa984bca933f33f45b67779b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^