Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b7bd596d8954cda644711e2963d2ace0147b81aaea461f7f3a5e44ce81e2e5fa:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^