Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> be1b95e79a13d67aab4ebd556383c1b101fde73f42fd3f958d10bcccc6656ddf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^