Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 85fb10bbc0f1586cdfd470750e506a5e39fdea1f297949b5cf13ef00fd7e61b1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^