Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0318bb8e11f420cdda10cff9babb76661bd8a7ec7b2c031bc9fe62dd107adf02:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^