Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 31817d3bd0acde900fc8d6a7e9b9d7b21562e1653ae10926011cd8a22441e119:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^