Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ee85f77b018d5c8e17018d0fa54714e6a349942d3f50f3cc6ffa12f3f89254c3:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^