Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 570fa6aa2167e68c97ceb6af35ecd8ff62c6a473dd975164448385ddfb94e1fe:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^