Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fa5d65acc7a714bc39a09b41fb1dca80f249d984473eadc4b25aeed88519fdfc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^