Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a2e18f214d535bd45c4eebbc541e4fd07abbcd4980494a151c27f1d942ff4afe:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^