Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> efa76f51282fbb04f2e0232b79ec46ed1c13ca5c738e5426c7303d518d4f9d2f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^