Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 15be694c7b52ab2b91a857e05cb06f6383859c911a414adad33388f01146fce7:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^