Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d8d93f14e20bf2c207cb497a6937e67c9bb26c525bf5aa458089f23ad681fcc3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^