Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 28c37d01b90bfa5e22ea5e3efa28d25765437583547a1d74af07cb80e3dbd7c5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^