Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b1dfb9e639d145c4219fc0cba8b8e106cde32da8cff18d11c33bc5fa5568bc69:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^