Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 960a165f9c97eda19dbca594a2b63892291997de3f45d40748f9a459383c8858:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^