Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8bbca890fabfb9ba8ef80837275862d1515f7e11dd3968b1868c08fea2f213c8:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^