Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 644ca1016433dea8ec6c1a98690971300c6afd09cd7d7eed62dfc9f41e52cb42:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^