Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d7abb83b1fc0e94a6ecc999a0be563b9489297438ba09dcd6e0bc784cde9da0b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^