Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6101b828afd055017e9f0463280dccc8a6c08d465fed3c45d47a1acfb148800f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^