Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cab62a17a1754fcd906becd1e787edfbdba3542ea8f0d890fabd324ba5d5d3d5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^