Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1ef164c79c7d16973521c953e602d1d40f1541e492a97034bbec53526119a0fa:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^