Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 20e8bdc061f0be3d41e69538d04778a82f10255f83205d662bae75af5b43e702:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^