Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b8c7678f091f91288d69708dda2c8c74c8f7aa14bff6dfc3698d79e26bc98c07:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^