Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bf712eff1d8db493c744d0152c99b9cbd04046e2732e00e6abb6d08c5940e08b:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^