Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bac5a11f39c090a40b842b419afc4980591734be018912341783ffbba93db624:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^