Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4eb9a112160f330fa6cefcd174552513378023d13f7698e045e2bbcdcbd3bf6a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^